Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN [hummingbird-performance] < 3.18.1
unknown
[en] The Hummingbird Performance plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.18.0 via the 'request' function. This makes it possible for unauthenticated attackers to extract sensitive data including Cloudflare API credentials.
- Affected:
- up to 3.18.1
- Fixed in:
- 3.18.1
- Disclosed:
- Dec 18, 2025
CVE-2025-14437 on NVD →
Hummingbird <= 3.18.0 - Unauthenticated Sensitive Information Exposure via Log File
high
The Hummingbird Performance plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.18.0 via the 'request' function. This makes it possible for unauthenticated attackers to extract sensitive data including Cloudflare API credentials.
- CVSS:
- 7.5
- Affected:
- up to 3.18.0
- Fixed in:
- 3.18.1
- Disclosed:
- Dec 17, 2025
CVE-2025-14437 on NVD →
Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN [hummingbird-performance] < 3.9.2
unknown
[en] Missing Authorization vulnerability in WPMU DEV Hummingbird allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Hummingbird: from n/a through 3.9.1.
- Affected:
- up to 3.9.2
- Fixed in:
- 3.9.2
- Disclosed:
- Nov 1, 2024
CVE-2024-43118 on NVD →
Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN [hummingbird-performance] < 3.9.2
unknown
[en] Cross-Site Request Forgery (CSRF) vulnerability in WPMU DEV Hummingbird.This issue affects Hummingbird: from n/a through 3.9.1.
- Affected:
- up to 3.9.2
- Fixed in:
- 3.9.2
- Disclosed:
- Aug 26, 2024
CVE-2024-43117 on NVD →
Hummingbird <= 3.9.1 - Cross-Site Request Forgery
medium
The Hummingbird plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.9.1. This is due to missing or incorrect nonce validation on the on_load and maybe_clear_all_cache functions. This makes it possible for unauthenticated attackers to update settings and clear cache via a...
- CVSS:
- 4.3
- Affected:
- up to 3.9.1
- Fixed in:
- 3.9.2
- Disclosed:
- Aug 7, 2024
CVE-2024-43117 on NVD →
Hummingbird <= 3.9.1 - Missing Authorization
medium
The Hummingbird plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the clear_module_cache() function in versions up to, and including, 3.9.1. This makes it possible for authenticated attackers, with contributor-level access and above, to clear module cache.
- CVSS:
- 4.3
- Affected:
- up to 3.9.1
- Fixed in:
- 3.9.2
- Disclosed:
- Aug 7, 2024
CVE-2024-43118 on NVD →
Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN [hummingbird-performance] < 3.7.4
unknown
[en] Missing Authorization vulnerability in WPMU DEV Hummingbird.This issue affects Hummingbird: from n/a through 3.7.3.
- Affected:
- up to 3.7.4
- Fixed in:
- 3.7.4
- Disclosed:
- Jun 9, 2024
CVE-2024-32792 on NVD →
Hummingbird <= 3.7.3 - Missing Authorization
medium
The Hummingbird plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on several functions in the /admin/class-ajax.php file in versions up to, and including, 3.7.3. This makes it possible for unauthenticated attackers to perform unauthorized actions like clearing cache.
- CVSS:
- 5.3
- Affected:
- up to 3.7.3
- Fixed in:
- 3.7.4
- Disclosed:
- Apr 22, 2024
CVE-2024-32792 on NVD →
Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN [hummingbird-performance] < 3.4.2
unknown
[en] The Hummingbird WordPress plugin before 3.4.2 does not validate the generated file path for page cache files before writing them, leading to a path traversal vulnerability in the page cache module.
- Affected:
- up to 3.4.2
- Fixed in:
- 3.4.2
- Disclosed:
- Apr 10, 2023
CVE-2023-1478 on NVD →
Hummingbird <= 3.4.1 - Unauthenticated Path Traversal
medium
The Hummingbird plugin for WordPress is vulnerable to Path Traversal in versions up to, and including, 3.4.1 via the page cache module, which doesn't validate file paths prior to saving them. This makes it possible for unauthenticated attackers to enumerate file directories, crash to server by sending cache files to an...
- CVSS:
- 5.3
- Affected:
- up to 3.4.1
- Fixed in:
- 3.4.2
- Disclosed:
- Mar 20, 2023
CVE-2023-1478 on NVD →
Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN [hummingbird-performance] < 3.3.2
unknown
[en] The Hummingbird WordPress plugin before 3.3.2 does not sanitise and escape the Config Name, which could allow high privilege users, such as admin to perform cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- Affected:
- up to 3.3.2
- Fixed in:
- 3.3.2
- Disclosed:
- Apr 18, 2022
CVE-2022-0994 on NVD →
Hummingbird <= 3.3.1 - Admin+ Stored Cross-Site Scripting
medium
The Hummingbird WordPress plugin before 3.3.2 does not sanitise and escape the Config Name, which could allow high privilege users, such as admin to perform cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- CVSS:
- 5.5
- Affected:
- up to 3.3.2
- Fixed in:
- 3.3.2
- Disclosed:
- Mar 23, 2022
CVE-2022-0994 on NVD →
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