CVE-2025-66823

Published: Dec 30, 2025Updated: Aug 20, 2026 Sources: CVE List NVD BDUCWE-79

5.4MEDIUM

NVD MITRE

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

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

trueconf

commercial·RU

trueconf serverOn-prem

Communications / video-conferencing

ООО «Труконф»

commercialaka trueconf server, trueconf client

TrueConf 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://trueconf.com

trueconf.com

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

github.com

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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Plain-language analysis

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Exploit details & PoC links

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