CVE-2025-58430

listmonk Vulnerable to CSRF to XSS Chain That Can Lead to Admin Account Takeover

State: Published
Severity: 8.6 High
Published: Sep 9, 2025
Updated: Sep 10, 2025
Reserved: Sep 1, 2025

Description

listmonk is a standalone, self-hosted, newsletter and mailing list manager. In versions up to and including 1.1.0, every http request in addition to the session cookie `session` there included `nonce`. The value is not checked and validated by the backend, removing `nonce` allows the requests to be processed correctly. This may seem harmless, but if chained to other vulnerabilities it can become a critical vulnerability. Cross-site request forgery and cross-site scripting chained together can result in improper admin account creation. As of time of publication, no patched versions are available.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CWE-352 Cross-Site Request Forgery (CSRF)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
listmonkknadh	<= 1.1.0Affected

References

https://github.com/knadh/listmonk/security/advisories/GHSA-rf24-wg77-gq7w

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