CSV Formula Injection Vulnerability in TrueConf Server by TrueConf
CVE-2025-66834

7.3HIGH

Key Information:

Vendor

TrueConf

Status
TrueConf Server
Vendor
CVE Published:
30 December 2025

What is CVE-2025-66834?

A vulnerability exists in TrueConf Server v5.5.2.10813 that permits a standard user to exploit CSV formula injection. This occurs through the manipulation of the Display Name in exported chat logs, enabling the injection of malicious spreadsheet formulas. As a result, any unsuspecting user opening the affected CSV files may inadvertently execute harmful commands or scripts designed to compromise their system.

References

https://trueconf.com
https://github.com/x00nullbit/CVE-References/blob/main/CV...

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.