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…

Medium CVSS 5.4

CVECVE-2025-66823

First seen2026-08-20 20:15 UTC

Disclosed2025-12-30 20:16 UTC

Last updated2026-08-20 20:15 UTC

Channel statusauto

Summary

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).

In-depth triage

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

Sources

NVD DATABASE

Original Links

https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md Exploit
https://trueconf.com Product
https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md Exploit

Timeline

2026-08-20 nvd_ingest NVD