CVE-2025-66834

Published Dec 30, 2025 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Trueconf trueconf Server
CPEs cpe:2.3:a:trueconf:server:5.5.2.10813:*:*:*:*:*:*:* cpe:2.3:a:trueconf:trueconf_server:5.5.2.10813:*:*:*:*:windows:*:*
Vendors & Products Trueconf trueconf Server
Type Values Removed Values Added
CPEs cpe:2.3:a:trueconf:server:5.5.2.10813:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Trueconf
Trueconf server
Vendors & Products Trueconf
Trueconf server
Type Values Removed Values Added
Weaknesses CWE-1236
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jan 2, 2026, 3:10 PM
Reserved
Dec 8, 2025, 12:00 AM
Status
Analyzed
Published
Dec 30, 2025, 7:15 PM
Modified
Aug 20, 2026, 6:09 PM