CVE-2025-66823

MediumCVSS 5.4/10Last modified Aug 20, 2026

Description

An HTML Injection vulnerability in TrueConf server 5.5.2.10813 in the conference description field allows an attacker to inject arbitrary HTML in the Create/Edit conference functionality. The payload will be triggered when the victim opens the Conference Info page ([conference url]/info).

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.mdExploit, Third Party Advisory
https://trueconf.comProduct
https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.mdExploit, Third Party Advisory

Timeline

Published: Dec 30, 2025
Last modified: Aug 20, 2026
NVD status: Analyzed

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