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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.

PUBLISHED Reserved 2025-04-16 | Published 2026-03-31 | Updated 2026-03-31 | Assigner INCIBE




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')

Product status

Default status
unaffected

0.104 (custom)
affected

Credits

Rafael Pedrero finder

References

www.incibe.es/...-cross-site-scripting-xss-anon-proxy-server

cve.org (CVE-2025-41356)

nvd.nist.gov (CVE-2025-41356)

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