Missing authorization in cleantalk Spam protection, Honeypot, Anti-Spam by CleanTalk
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-10542
- 2026-10-03 Alias added: GHSA-r694-88f4-27hq
References
More cleantalk Anti-spam vulnerabilities
- TI-2023-28342 Cross-site request forgery in СleanTalk - Anti-Spam Protection Spam protection… CVSS 3.1HIGH 8.8
- TI-2021-06423 Anti-Spam by CleanTalk < 5.149 - Multiple Authenticated SQL Injections CVSS 3.1HIGH 7.2
- TI-2026-09253 Anti-Spam by CleanTalk - Moderately critical - Cross site scripting - SA-CONTRIB-2026-042 CVSS 3.1MEDIUM 6.1
- TI-2026-02776 Anti-Spam by CleanTalk - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-014 CVSS 3.1MEDIUM 4.7
Sources
- CVE-2024-10542 · CVE Program
- CVE-2024-10542 · NVD
- FIRST EPSS
- GHSA-r694-88f4-27hq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences