What’s Vulnerable › Vulnerabilities

CVE-2025-61583: TS3 Manager is vulnerable to unauthenticated reflected XSS attack due to insecure error handling

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-10-01 · updated 2026-10-12
• Weakness: CWE-20

Description

TS3 Manager is modern web interface for maintaining Teamspeak3 servers. A reflected cross-site scripting vulnerability has been identified in versions 2.2.1 and earlier. The vulnerability exists in the error handling mechanism of the login page, where malicious scripts embedded in server hostnames are executed in the victim's browser context without proper sanitization. This issue is fixed in version 2.2.2.

Affected products

• joni1802 ts3-manager: before 2.2.2 — fixed in 2.2.2

How to fix

Upgrade to a fixed version: joni1802 ts3-manager 2.2.2. Check the vendor advisory for mitigations.

References

• https://github.com/joni1802/ts3-manager/commit/3a069915f97a6f5dae1fe0b2e32aa11a69d83b5e
• https://github.com/joni1802/ts3-manager/security/advisories/GHSA-qw6j-37r6-m93g

Get alerted when CVE-2025-61583 or the next vulnerability affects your stack