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CVE-2025-66823

Published: Dec 30, 2025Updated: Jan 7, 2026 Sources: CVE List NVD BDUCWE-79
5.4MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 93.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

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).

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

ООО «Труконф»
commercialaka trueconf client, trueconf server
TrueConf ServerOn-prem
Communications / video-conferencing
trueconf
commercial·RU
serverOn-prem
Communications / video-conferencing
and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md
github.com
https://trueconf.ru/blog/update/trueconf-server-5-5-3
trueconf.ru
https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md
github.com
and 1 more references View all →

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