CVE-2024-10542
Spam protection, Anti-Spam, FireWall by CleanTalk <= 6.43.2 - Authorization Bypass via Reverse DNS Spoofing to Unauthenticated Arbitrary Plugin Installation
- State
- Published
- Severity
- 9.8 Critical
- Published
- Nov 26, 2024
- Updated
- Apr 8, 2026
- Reserved
- Oct 30, 2024
Description
The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an authorization bypass via reverse DNS spoofing on the checkWithoutToken function in all versions up to, and including, 6.43.2. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Wordfence |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
Spam protection, Honeypot, Anti-Spam by CleanTalkcleantalk |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d7eb5fad-bb62-4f0b-ad52-b16c3e442b62?source=cve
- https://plugins.trac.wordpress.org/browser/cleantalk-spam-protect/tags/6.43.2/lib/Cleantalk/ApbctWP/RemoteCalls.php#L41
- https://plugins.trac.wordpress.org/changeset/3179819/cleantalk-spam-protect#file631
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