CVE-2024-10542 in the critical feed json
Spam protection, Anti-Spam, FireWall by CleanTalk <= 6.43.2 - Authorization Bypass via Reverse DNS Spoofing to Unauthenticated Arbitrary Plugin Installation
published 2024-11-26 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-33435
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 15.4%
- EPSS 15.4% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- cleantalk anti-spam 6.44
- cleantalk spam_protection,_antispam,_firewall 6.44
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
15.36% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- cleantalk Spam protection, Honeypot, Anti-Spam by CleanTalk
- cleantalk antispam
Classification
- Weakness
-
- CWE-862 Missing Authorization
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/3179819/cleantalk-spam-protect#file631
patch
-
wordfence.com
/threat-intel/vulnerabilities/id/d7eb5fad-bb62-4f0b-ad52-b16c3e442b62?source=cve
third-party-advisory
-
plugins.trac.wordpress.org
/browser/cleantalk-spam-protect/tags/6.43.2/lib/Cleantalk/ApbctWP/RemoteCalls.php#L41
product
Sources
- CVE List CVE-2024-10542
- NVD CVE-2024-10542
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.