CVE-2025-66823 — MEDIUM (5.4)

Vulnerability 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).

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Trueconf	Server	5.5.2.10813

Related Weaknesses (CWE)

CWE-79

References

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

FAQ

What is CVE-2025-66823?

CVE-2025-66823 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 ...

How severe is CVE-2025-66823?

CVE-2025-66823 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-66823?

Check the references section above for vendor advisories and patch information. Affected products include: Trueconf Server.