plugin

Fluent Boards Pro Vulnerabilities

5 known security issues reported for the Fluent Boards Pro WordPress plugin. Most recent disclosed Aug 26, 2026.

1 high 4 medium

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Fluent Boards Pro <= 2.0.11 - Authenticated (Editor+) Arbitrary File Upload

high

The Fluent Boards Pro plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.0.11. This is due to missing file type validation. This makes it possible for authenticated attackers, with editor-level access and above, to upload arbitrary files on the affected site's server, wh...

CVSS:
7.2
(Wordfence)
Affected:
up to 2.0.11
Fixed in:
2.0.12
Disclosed:
Aug 26, 2026

CVE-2026-78274 on NVD →

Fluent Boards Pro <= 2.0.11 - Authenticated (Editor+) PHP Object Injection

medium

The Fluent Boards Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.0.11. This is due to deserialization of untrusted input. This makes it possible for authenticated attackers, with editor-level access and above, to inject a PHP Object. No known POP chain is present...

CVSS:
6.6
(Wordfence)
Affected:
up to 2.0.11
Fixed in:
2.0.12
Disclosed:
Aug 26, 2026

CVE-2026-78276 on NVD →

Fluent Boards Pro <= 2.0.11 - Authenticated (Editor+) Arbitrary File Deletion

medium

The Fluent Boards Pro plugin for WordPress is vulnerable to Arbitrary File Deletion due to insufficient file path validation in all versions up to, and including, 2.0.11. This makes it possible for authenticated attackers, with editor-level access and above, to delete arbitrary files on the server, which can easily lea...

CVSS:
6.5
(Wordfence)
Affected:
up to 2.0.11
Fixed in:
2.0.12
Disclosed:
Aug 26, 2026

CVE-2026-78275 on NVD →

Fluent Boards Pro <= 2.0.11 - Authenticated (Subscriber+) Stored Cross-Site Scripting

medium

The Fluent Boards Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.0.11. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web sc...

CVSS:
6.4
(Wordfence)
Affected:
up to 2.0.11
Fixed in:
2.0.12
Disclosed:
Aug 26, 2026

CVE-2026-78273 on NVD →

Fluent Boards Pro <= 2.0.11 - Authenticated (Subscriber+) Insecure Direct Object Reference

medium

The Fluent Boards Pro plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.11 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

CVSS:
4.3
(Wordfence)
Affected:
up to 2.0.11
Fixed in:
2.0.12
Disclosed:
Aug 24, 2026

CVE-2026-78278 on NVD →

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