CVE-2025-66834

7.3 HIGH

Published: December 30, 2025 Modified: January 07, 2026

Description

A CSV Formula Injection vulnerability in TrueConf Server v5.5.2.10813 allows a normal user to inject malicious spreadsheet formulas into exported chat logs via crafted Display Name.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66834/README.md

Source: cve@mitre.org

Exploit Third Party Advisory

https://trueconf.com

Source: cve@mitre.org

Product

https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66834/README.md

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Exploit Third Party Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.3 / 10.0

EPSS (Exploit Probability)

0.0%

13th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-1236

Affected Vendors

trueconf

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