CVE-2025-66834

HIGH CVSS 3.1: 7.3 EPSS 0.31%
Updated Aug 20, 2026
Trueconf
Parameter Value
CVSS 7.3 (HIGH)
Type CWE-1236
Vendor Trueconf
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Trueconf Server
cpe:2.3:a:trueconf:server:5.5.2.10813:*:*:*:*:*:*:*
— —
Trueconf Trueconf_Server
cpe:2.3:a:trueconf:trueconf_server:5.5.2.10813:*:*:*:*:windows:*:*
— —