CVE-2020-36962

Tendenci 12.3.1 - CSV/ Formula Injection

Published Jan 28, 2026 CVSS 4.0 · 5.3 Medium EPSS 12.4% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-4q3w-jgfx-4792 Tendenci is Vulnerable to CSV Formula Injection through its Contact Form Message Field
History
Type Values Removed Values Added
CPEs cpe:2.3:a:tendenci:tendenci:12.0.12:*:*:*:*:*:*:*
Type Values Removed Values Added
CPEs cpe:2.3:a:tendenci:tendenci:12.3.1:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Tendenci
Tendenci tendenci
Vendors & Products Tendenci
Tendenci tendenci
Type Values Removed Values Added
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.
Title Tendenci 12.3.1 - CSV/ Formula Injection
Weaknesses CWE-1236
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 8, 2026, 3:20 PM
Reserved
Jan 27, 2026, 3:47 PM
Status
Analyzed
Published
Jan 28, 2026, 6:16 PM
Modified
Oct 8, 2026, 4:16 PM