CVE-2025-41356

MEDIUM 6.1CVE-2025-41356 · Published 31/03/2026 · updated 17/06/2026

In short

CVE-2025-41356 is a MEDIUM (CVSS 6.1) vulnerability affecting anon proxy server (anonproxyserver).
Chance of exploitation in the next 30 days (EPSS): 0.20%, higher than 10.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
anon proxy server anonproxyserver	`= 0.104`	No fix yet

Description

Reflected Cross-Site Scripting (XSS) vulnerability in Anon Proxy Server v0.104. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending him/her a malicious URL. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user. It affects 'host' parameter in '/diagconnect.php' endpoint.

References

incibe.es/en/incibe-cert/notices/aviso/reflected-cross-site-scripting-xss-anon-proxy-server · Third Party Advisory

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