CVE-2020-36962: Tendenci

Critical severity, CVSS 9.8. EPSS: 12.2% chance of exploitation in the next 30 days.

Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers to inject malicious formulas during export. Attackers can submit crafted payloads like '=10+20+cmd|' /C calc'!A0' in the message field to trigger arbitrary command execution when the CSV is opened in spreadsheet applications.

Affected products

• Tendenci Tendenci: version 12.3.1 only

Published 2026-01-28. Last modified 2026-10-08.