Auth bypass in Cleantalk Anti-Spam
CVE-2024-10542
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.
Vulnerability class: Broken Access Control
EPSS: 0.154 (96.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (Product)
- security@wordfence.com (Patch)
Frequently asked questions
- What is CVE-2024-10542?
- CVE-2024-10542 is a critical-severity vulnerability in Cleantalk Anti-Spam, classified under Missing Authorization. CVSS score: 9.8/10. Published 2024-11-26.
- How severe is CVE-2024-10542?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2024-10542 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.