BaseFortify

Publication date: 2026-01-28

Last updated on: 2026-02-02

Assigner: VulnCheck

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-28

Last Modified

2026-02-02

Generated

2026-07-06

AI Q&A

2026-01-29

EPSS Evaluated

2026-07-05

NVD

CVE-2020-36962

EUVD

EUVD-2020-30887

Affected Vendors & Products

Vendor	Product	Version / Range
tendenci	tendenci	12.3.1

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-1236	The product saves user-provided information into a Comma-Separated Value (CSV) file, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as a command when the file is opened by a spreadsheet product.

Attack-Flow Graph

Executive Summary

This vulnerability is a CSV formula injection in Tendenci 12.3.1. It occurs in the contact form message field, where attackers can inject malicious formulas. When the CSV file containing these formulas is exported and opened in spreadsheet applications, the formulas can execute arbitrary commands on the user's system.

Impact Analysis

The impact of this vulnerability is that an attacker can execute arbitrary commands on your system when you open a maliciously crafted CSV file exported from the contact form messages. This can lead to unauthorized actions, potential system compromise, or execution of harmful software.

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