CVE-2025-41355
CWE-79Published: March 31, 2026· Updated: Apr 1, 2026
Official 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
'port' and 'proxyPort' parameters in '/anon.php' endpoint.
Technical Analysis
CVE-2025-41355 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (A) is needed, which slightly reduces the risk of mass automated attacks.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-41355 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts