CVE-2025-70129

Published Mar 10, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:pluxml:pluxml:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Weaknesses CWE-804
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Pluxml
Pluxml pluxml
Vendors & Products Pluxml
Pluxml pluxml
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Mar 11, 2026, 2:45 PM
Reserved
Jan 9, 2026, 12:00 AM
Status
Analyzed
Published
Mar 10, 2026, 8:16 PM
Modified
Jun 17, 2026, 10:03 AM