CVE-2025-66824HIGH 8.7EPSS p17.2%

CVE-2025-66824CVE-2025-66824

Description

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.

Scoring

CVSS 3.18.7 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS0.26% probability of exploitation · percentile 17.2% · 2026-06-18T12:00:27Z
Published2025-12-30
Last modified2026-01-07

Underlying weaknesses· 1

CWE-79

References

  1. https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66824/README.md
  2. https://trueconf.com
  3. https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66824/README.md

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')cwe-790%live

Related by meaning· 6

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.