CVE-2025-66823

MEDIUM CVSS 3.1: 5.4 EPSS 0.19%
Updated Aug 20, 2026
Trueconf
Parameter Value
CVSS 5.4 (MEDIUM)
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Trueconf
Public PoC No

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).

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Trueconf Server
cpe:2.3:a:trueconf:server:5.5.2.10813:*:*:*:*:*:*:*
— —
Trueconf Trueconf_Server
cpe:2.3:a:trueconf:trueconf_server:5.5.2.10813:*:*:*:*:windows:*:*
— —