CVE-2025-70129

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-804

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/forest4x/vuln-research-public/blob/main/CVE-2025-70129.pdfExploit, Third Party Advisory
https://youtu.be/dD2olE4yMqYExploit

Timeline

Published: Mar 10, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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