---
id: CVE-2025-66824
title: >-
  A Stored Cross-Site Scripting (XSS) vulnerability exists in the Meeting
  location field of the Create/Edit Conference functionality in TrueConf Server
  v5.5.2.10813
summary: >-
  A Stored Cross-Site Scripting (XSS) vulnerability exists in the Meeting
  location field of the Create/Edit Conference functionality in TrueConf Server
  v5.5.2.10813. The injected payload is stored via the meeting_room parameter
  and execute…
severity: high
cvss: 8.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'
cwe:
  - CWE-79
vendor: trueconf
product: trueconf_server
affected:
  - trueconf_server = 5.5.2.10813
published: '2025-12-30'
updated: '2026-08-20'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-66824'
references:
  - url: >-
      https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66824/README.md
    label: cve@mitre.org
  - url: 'https://trueconf.com'
    label: cve@mitre.org
  - url: >-
      https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66824/README.md
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00305
epssPercentile: 0.20613
ingestedAt: '2026-08-20T18:59:51.477Z'
---

## Overview

A Stored Cross-Site Scripting (XSS) vulnerability exists in the Meeting location field of the Create/Edit Conference functionality in TrueConf Server v5.5.2.10813. The injected payload is stored via the meeting_room parameter and executed when users visit the Conference Info page, allowing attackers to achieve full Account Takeover (ATO). This issue is caused by improper sanitization of user-supplied input in the meeting_room field.

## Affected

- `trueconf_server = 5.5.2.10813`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.