CVE-2025-64716

Anubis vulnerable to possible XSS via redir parameter when using subrequest auth mode

State: Published
Severity: 5.1 Medium
Published: Nov 13, 2025
Updated: Nov 13, 2025
Reserved: Nov 10, 2025

Description

Anubis is a Web AI Firewall Utility that challenges users' connections in order to protect upstream resources from scraper bots. Prior to version 1.23.0, when using subrequest authentication, Anubis did not perform validation of the redirect URL and redirects user to any URL scheme. While most modern browsers do not allow a redirect to `javascript:` URLs, it could still trigger dangerous behavior in some cases. Anybody with a subrequest authentication may be affected. Version 1.23.0 contains a fix for the issue.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:H/SA:N	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Affected Products

Product	Versions
anubisTecharoHQ	< 1.23.0Affected

References

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