CVE-2025-66834

high

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.

References

https://trueconf.com

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

Details

Source: Mitre, NVD

Published: 2025-12-30

Updated: 2026-01-07

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.3

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