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.
Advisories

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Fixes

Solution

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Workaround

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History

Wed, 28 Jan 2026 17:45:00 +0000

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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-28T17:35:08.249Z

Reserved: 2026-01-27T15:47:07.997Z

Link: CVE-2020-36962

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-01-28T18:16:46.277

Modified: 2026-01-28T18:16:46.277

Link: CVE-2020-36962

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses