Vulnerability Description
If the anti spam-captcha functionality in PluXml versions 5.8.22 and earlier is enabled, a captcha challenge is generated with a format that can be automatically recognized for articles, such that an automated script is able to solve this anti-spam mechanism trivially and publish spam comments. The details of captcha challenge are exposed within document body of articles with comments & anti spam-captcha functionalities enabled, including "capcha-letter", "capcha-word" and "capcha-token" which can be used to construct a valid post request to publish a comment. As such, attackers can flood articles with automated spam comments, especially if there are no other web defenses available.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pluxml | Pluxml | <= 5.8.22 |
Related Weaknesses (CWE)
References
- https://github.com/forest4x/vuln-research-public/blob/main/CVE-2025-70129.pdfExploitThird Party Advisory
- https://youtu.be/dD2olE4yMqYExploit
FAQ
What is CVE-2025-70129?
CVE-2025-70129 is a vulnerability with a CVSS score of 5.3 (MEDIUM). If the anti spam-captcha functionality in PluXml versions 5.8.22 and earlier is enabled, a captcha challenge is generated with a format that can be automatically recognized for articles, such that an ...
How severe is CVE-2025-70129?
CVE-2025-70129 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-70129?
Check the references section above for vendor advisories and patch information. Affected products include: Pluxml Pluxml.