GHSA-4q3w-jgfx-4792

Tendenci is Vulnerable to CSV Formula Injection through its Contact Form Message Field

Source: GitHub Advisory Database (reviewed) Moderate CVE-2020-36962

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	tendenci	< 12.3.2	12.3.2

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2020-36962 advisory
https://github.com/tendenci/tendenci/commit/3e37622cac81440c5a1f97c39f112a2cf4a5450c web
https://github.com/pypa/advisory-database/tree/main/vulns/tendenci/PYSEC-2026-136.yaml web
https://github.com/tendenci/tendenci package
https://www.exploit-db.com/exploits/49145 web
https://www.tendenci.com web
https://www.vulncheck.com/advisories/tendenci-csv-formula-injection web