CVE-2024-10542
Spam protection, Anti-Spam, FireWall by CleanTalk <= 6.43.2 - Authorization Bypass via Reverse DNS Spoofing to Unauthenticated Arbitrary Plugin Installation
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | cleantalk |
| Product | spam protection, honeypot, anti-spam by cleantalk |
| Published | Nov 26, 2024 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
cleantalk / Spam protection, Honeypot, Anti-Spam by CleanTalk
0 ≤ 6.43.2
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/d7eb5fad-bb62-4f0b-ad52-b16c3e442b62?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/cleantalk-spam-protect/tags/6.43.2/lib/Cleantalk/ApbctWP/RemoteCalls.php#L41 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3179819/cleantalk-spam-protect#file631
Credits
Michael Mazzolini