CVE-2025-66824

Severity: high (CVSS 8.7 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: 2025-12-30 · updated 2026-08-20
Weakness: CWE-79

Description

A Stored Cross-Site Scripting (XSS) vulnerability exists in the Meeting location field of the Create/Edit Conference functionality in TrueConf Server v5.5.2.10813. The injected payload is stored via the meeting_room parameter and executed when users visit the Conference Info page, allowing attackers to achieve full Account Takeover (ATO). This issue is caused by improper sanitization of user-supplied input in the meeting_room field.

Affected products

Trueconf Server: 5.5.2.10813

References

https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66824/README.md
https://trueconf.com
https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66824/README.md

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