CVE-2020-36962

Published: Jan 28, 2026Modified: Jun 17, 2026

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Show more

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: disclosure@vulncheck.com (Secondary)

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.

Affected (1)

Products: Tendenci: Tendenci

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Tendenci Tendenci	Version 12.3.1

Related CWEs

Improper Neutralization of Formula Elements in a CSV File

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.

References (5)

https://github.com/tendenci/tendenci

Source: disclosure@vulncheck.com

Product

https://www.exploit-db.com/exploits/49145

Source: disclosure@vulncheck.com

ExploitThird Party AdvisoryVDB Entry

https://www.tendenci.com/

Source: disclosure@vulncheck.com

Product

https://www.vulncheck.com/advisories/tendenci-csv-formula-injection

Source: disclosure@vulncheck.com

Third Party Advisory

https://www.exploit-db.com/exploits/49145

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

ExploitThird Party AdvisoryVDB Entry

Timeline

No history available yet.