CVE-2020-36962

CriticalCVSS 9.8/10Last modified Oct 8, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-1236

Affected software

No affected versions have been published.

Timeline

Published: Jan 28, 2026
Last modified: Oct 8, 2026
NVD status: Analyzed

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