CVE-2025-66834

Published: Dec 30, 2025Modified: Jun 17, 2026

7.3

Vector

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

Exploitability: 2.1 / Impact: 5.2

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

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.

Affected (1)

Products: Trueconf: Server

Trueconf

1 product

Server

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Trueconf Server	Version 5.5.2.10813

Related CWEs

CWE-1236

Improper Neutralization of Formula Elements in a CSV File

The product saves user-provided information into a Comma-Separated Value (CSV) file, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as a command when the file is opened by a spreadsheet product.

References (3)

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

Source: cve@mitre.org

ExploitThird 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

ExploitThird Party Advisory

Timeline

No history available yet.