Ultimate Post Vulnerabilities

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'inputPlaceHolder' parameter in all versions up to, and including, 5.0.13 due to insufficient input sanitization and output escaping. This makes it possible for authenticat...

CVSS:

6.4

Affected:

up to 5.0.13

Fixed in:

5.0.14

Disclosed:

Aug 5, 2026

CVE-2026-5158 on NVD →

The Post Grid Gutenberg Blocks – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'searchnoresult' Block Attribute in all versions up to, and including, 5.0.32 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-leve...

CVSS:

6.4

Affected:

up to 5.0.32

Fixed in:

5.0.33

Disclosed:

Jul 23, 2026

CVE-2026-15100 on NVD →

The Ultimate Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'moreResultsText' block attribute of the ultimate-post/advanced-search block in versions up to and including 5.0.31. This is due to insufficient input sanitization and output escaping in the Advanced_Search::content() render cal...

CVSS:

6.4

Affected:

up to 5.0.31

Fixed in:

5.0.32

Disclosed:

Jul 8, 2026

CVE-2026-13253 on NVD →

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ultp_shareCount_callback() function in all versions up to, and including, 5.0.5. This makes it possible for unauthenticated attackers...

CVSS:

5.3

Affected:

up to 5.0.5

Fixed in:

5.0.6

Disclosed:

Apr 15, 2026

CVE-2026-0718 on NVD →

Authenticated (Administrator+) Server-Side Request Forgery via REST API Endpoints vulnerability

CVSS:

7.2

Affected:

up to 5.0.8

Fixed in:

5.0.9

Disclosed:

Mar 3, 2026

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.0.8 via the `/ultp/v3/starter_dummy_post/` and `/ultp/v3/starter_import_content/` REST API endpoints. This makes it possible for authenticat...

CVSS:

7.2

Affected:

up to 5.0.8

Fixed in:

5.0.9

Disclosed:

Mar 3, 2026

CVE-2026-1273 on NVD →

[en] Missing Authorization vulnerability in WPXPO PostX ultimate-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PostX: from n/a through <= 5.0.3.

Affected:

up to 5.0.3

Fix:

No patched version reported

Disclosed:

Jan 22, 2026

CVE-2025-69313 on NVD →

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 5.0.3. This makes it possible for unauthenticated attackers to perform an unauthorized action.

CVSS:

5.3

Affected:

up to 5.0.3

Fixed in:

5.0.4

Disclosed:

Jan 19, 2026

CVE-2025-69313 on NVD →

[en] Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in WPXPO PostX ultimate-post allows Retrieve Embedded Sensitive Data.This issue affects PostX: from n/a through <= 5.0.3.

Affected:

up to 5.0.3

Fix:

No patched version reported

Disclosed:

Dec 24, 2025

CVE-2025-68606 on NVD →

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 5.0.3. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data.

CVSS:

5.3

Affected:

up to 5.0.3

Fixed in:

5.0.4

Disclosed:

Dec 21, 2025

CVE-2025-68606 on NVD →

[en] The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the '/ultp/v2/get_dynamic_content/' REST API endpoint in all versions up to, and including, 5.0.3. This makes it possible for unauthentica...

Affected:

up to 5.0.4

Fixed in:

5.0.4

Disclosed:

Dec 21, 2025

CVE-2025-12980 on NVD →

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the '/ultp/v2/get_dynamic_content/' REST API endpoint in all versions up to, and including, 5.0.3. This makes it possible for unauthenticated a...

CVSS:

7.5

Affected:

up to 5.0.3

Fixed in:

5.0.4

Disclosed:

Dec 20, 2025

CVE-2025-12980 on NVD →

[en] Missing Authorization vulnerability in WPXPO PostX ultimate-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PostX: from n/a through <= 4.1.36.

Affected:

up to 4.1.36

Fix:

No patched version reported

Disclosed:

Dec 18, 2025

CVE-2025-54751 on NVD →

[en] Incorrect Privilege Assignment vulnerability in WPXPO PostX ultimate-post allows Privilege Escalation.This issue affects PostX: from n/a through <= 4.1.35.

Affected:

up to 4.1.35

Fix:

No patched version reported

Disclosed:

Dec 18, 2025

CVE-2025-55707 on NVD →

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 4.1.36. This makes it possible for authenticated attackers, with Subscriber-level access and above, to...

CVSS:

4.3

Affected:

up to 4.1.36

Fixed in:

4.1.37

Disclosed:

Sep 2, 2025

CVE-2025-54751 on NVD →

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 4.1.35. This makes it possible for authenticated attackers, with Editor-level access and above, to elevate their privileges.

CVSS:

7.2

Affected:

up to 4.1.35

Fixed in:

4.1.36

Disclosed:

Aug 29, 2025

CVE-2025-55707 on NVD →

The PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 4.1.25 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will...

CVSS:

6.4

Affected:

up to 4.1.25

Fixed in:

4.1.26

Disclosed:

Mar 28, 2025

CVE-2025-31096 on NVD →

[en] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPXPO PostX allows DOM-Based XSS. This issue affects PostX: from n/a through 4.1.25.

Affected:

up to 4.1.26

Fixed in:

4.1.26

Disclosed:

Mar 28, 2025

CVE-2025-31096 on NVD →

[en] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post Grid Team by WPXPO PostX allows Stored XSS.This issue affects PostX: from n/a through 4.1.15.

Affected:

up to 4.1.16

Fixed in:

4.1.16

Disclosed:

Dec 9, 2024

CVE-2024-53818 on NVD →

The PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 4.1.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will...

CVSS:

6.4

Affected:

up to 4.1.15

Fixed in:

4.1.16

Disclosed:

Dec 2, 2024

CVE-2024-53818 on NVD →

[en] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post Grid Team by WPXPO PostX allows Stored XSS.This issue affects PostX: from n/a through 4.1.15.

Affected:

up to 4.1.16

Fixed in:

4.1.16

Disclosed:

Nov 19, 2024

CVE-2024-50513 on NVD →

[en] The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized plugin installation/activation due to a missing capability check on the 'install_required_plugin_callback' function in all versions up to, and including, 4.1.16. This makes it possible for authentica...

Affected:

up to 4.1.17

Fixed in:

4.1.17

Disclosed:

Nov 16, 2024

CVE-2024-10728 on NVD →

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized plugin installation/activation due to a missing capability check on the 'install_required_plugin_callback' function in all versions up to, and including, 4.1.16. This makes it possible for authenticated a...

CVSS:

8.8

Affected:

up to 4.1.16

Fixed in:

4.1.17

Disclosed:

Nov 15, 2024

CVE-2024-10728 on NVD →

The PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 4.1.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will exec...

CVSS:

6.4

Affected:

up to 4.1.15

Fixed in:

4.1.16

Disclosed:

Oct 28, 2024

CVE-2024-50513 on NVD →

[en] Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Post Grid Team by WPXPO PostX allows Stored XSS.This issue affects PostX: from n/a through 4.1.12.

Affected:

up to 4.1.13

Fixed in:

4.1.13

Disclosed:

Oct 28, 2024

CVE-2024-50443 on NVD →

The PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 4.1.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will...

CVSS:

6.4

Affected:

up to 4.1.12

Fixed in:

4.1.13

Disclosed:

Oct 24, 2024

CVE-2024-50443 on NVD →

[en] The Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.1.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting atta...

Affected:

up to 4.1.0

Fixed in:

4.1.0

Disclosed:

Jun 17, 2024

CVE-2024-4305 on NVD →

[en] Missing Authorization vulnerability in Post Grid Team by WPXPO PostX – Gutenberg Blocks for Post Grid.This issue affects PostX – Gutenberg Blocks for Post Grid: from n/a through 3.2.3.

Affected:

up to 3.2.4

Fixed in:

3.2.4

Disclosed:

Jun 9, 2024

CVE-2024-31246 on NVD →

Affected:

up to 4.1.0

Fixed in:

4.1.0

Disclosed:

Jun 8, 2024

CVE-2024-5758 on NVD →

[en] The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's file uploading feature in all versions up to, and including, 4.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated...

Affected:

up to 4.1.2

Fixed in:

4.1.2

Disclosed:

May 30, 2024

CVE-2024-5223 on NVD →

[en] The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'postx_presets_callback' function in all versions up to, and including, 4.1.2. This makes it possible for authenticated attackers, with C...

Affected:

up to 4.1.3

Fixed in:

4.1.3

Disclosed:

May 30, 2024

CVE-2024-5326 on NVD →

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's file uploading feature in all versions up to, and including, 4.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated atta...

CVSS:

6.4

Affected:

up to 4.1.1

Fixed in:

4.1.2

Disclosed:

May 29, 2024

CVE-2024-5223 on NVD →

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'postx_presets_callback' function in all versions up to, and including, 4.1.2. This makes it possible for authenticated attackers, with Contri...

CVSS:

8.8

Affected:

up to 4.1.2

Fixed in:

4.1.3

Disclosed:

May 29, 2024

CVE-2024-5326 on NVD →

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the filterMobileText parameter in all versions up to, and including, 4.0.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers...

CVSS:

6.4

Affected:

up to 4.0.4

Fixed in:

4.1.0

Disclosed:

May 27, 2024

CVE-2024-4305 on NVD →

[en] The Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.0.2 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting atta...

Affected:

up to 4.0.2

Fixed in:

4.0.2

Disclosed:

May 13, 2024

CVE-2024-3239 on NVD →

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.0.1 due to insufficient input sanitization and output escaping on user supplied block attributes. This makes it possible for authenticated attackers,...

CVSS:

6.4

Affected:

up to 4.0.1

Fixed in:

4.0.2

Disclosed:

Apr 22, 2024

CVE-2024-3239 on NVD →

[en] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post Grid Team by WPXPO PostX – Gutenberg Blocks for Post Grid allows Stored XSS.This issue affects PostX – Gutenberg Blocks for Post Grid: from n/a through 4.0.1.

Affected:

up to 4.0.2

Fixed in:

4.0.2

Disclosed:

Apr 18, 2024

CVE-2024-32564 on NVD →

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.0.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with...

CVSS:

6.4

Affected:

up to 4.0.1

Fixed in:

4.0.2

Disclosed:

Apr 16, 2024

CVE-2024-32564 on NVD →

The PostX – Gutenberg Blocks for Post Grid plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on several REST API endpoints in versions up to, and including, 3.2.3. This makes it possible for authenticated attackers, with author-level access and above, to perform several unautho...

CVSS:

4.3

Affected:

up to 3.2.3

Fixed in:

3.2.4

Disclosed:

Apr 5, 2024

CVE-2024-31246 on NVD →

[en] The PostX WordPress plugin before 3.0.6 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Affected:

up to 3.0.6

Fixed in:

3.0.6

Disclosed:

Aug 30, 2023

CVE-2023-3992 on NVD →

The PostX - Gutenberg Post Grid Blocks plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘postx_type’ parameter in versions up to, and including, 3.0.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scri...

CVSS:

6.1

Affected:

up to 3.0.5

Fixed in:

3.0.6

Disclosed:

Aug 2, 2023

CVE-2023-3992 on NVD →

[en] Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in wpxpo PostX – Gutenberg Post Grid Blocks plugin <= 2.9.9 versions.

Affected:

up to 2.9.10

Fixed in:

2.9.10

Disclosed:

Jul 25, 2023

CVE-2023-36385 on NVD →

The PostX – Gutenberg Blocks for Post Grid plugin for WordPress is vulnerable to Cross-Site Scripting in versions up to, and including, 2.9.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenev...

CVSS:

7.2

Affected:

up to 2.9.9

Fixed in:

2.9.10

Disclosed:

Jun 23, 2023

CVE-2023-36385 on NVD →

[en] The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with Contributor roles or higher to read password-protected or private post contents the user is otherwise unable to read, given the post ID.

Affected:

up to 2.4.10

Fixed in:

2.4.10

Disclosed:

Sep 27, 2021

CVE-2021-24661 on NVD →

[en] The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's shortcode.

Affected:

up to 2.4.10

Fixed in:

2.4.10

Disclosed:

Sep 27, 2021

CVE-2021-24660 on NVD →

[en] The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.

Affected:

up to 2.4.10

Fixed in:

2.4.10

Disclosed:

Sep 27, 2021

CVE-2021-24659 on NVD →

[en] The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 performs incorrect checks before allowing any logged in user to perform some ajax based requests, allowing any user to modify, delete or add ultp_options values.

Affected:

up to 2.4.10

Fixed in:

2.4.10

Disclosed:

Sep 27, 2021

CVE-2021-24652 on NVD →

The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's shortcode.

CVSS:

5.4

Affected:

up to 2.4.10

Fixed in:

2.4.10

Disclosed:

Aug 26, 2021

CVE-2021-24660 on NVD →

The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.

CVSS:

5.4

Affected:

up to 2.4.10

Fixed in:

2.4.10

Disclosed:

Aug 26, 2021

CVE-2021-24659 on NVD →

The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with Contributor roles or higher to read password-protected or private post contents the user is otherwise unable to read, given the post ID.

CVSS:

4.3

Affected:

up to 2.4.9

Fixed in:

2.4.10

Disclosed:

Aug 26, 2021

CVE-2021-24661 on NVD →

The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 performs incorrect checks before allowing any logged in user to perform some ajax based requests, allowing any user to modify, delete or add ultp_options values.

CVSS:

6.5

Affected:

up to 2.4.10

Fixed in:

2.4.10

Disclosed:

Aug 17, 2021

CVE-2021-24652 on NVD →