CVE-2025-66823

low-risk
Published 2025-12-30

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).

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Server

Affected Vendors

Trueconf

References (3)

Exploit https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md
Product https://trueconf.com
Exploit https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal