SecuriTricks - CVE-2025-70129

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.

Product(s) Impacted

Vendor	Product	Versions
Pluxml	Pluxml	5.8.22, *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-804

Guessable CAPTCHA

The product uses a CAPTCHA challenge, but the challenge can be guessed or automatically recognized by a non-human actor.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	pluxml	pluxml	5.8.22	/	/	/	/	/	/	/
a	pluxml	pluxml	/	/	/	/	/	/	/	/

References

https://github.com/forest4x/vuln-research-public/blob/main/CVE-2025-70129.pdf

https://youtu.be/dD2olE4yMqY

CVSS Score

5.3 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: NONE

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

View Vector String

Timeline

Published: March 10, 2026, 8:16 p.m.
Last Modified: March 11, 2026, 3:16 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2025-70129