Moderate severityOSV Advisory· Published Jan 28, 2026· Updated Mar 5, 2026
Tendenci 12.3.1 - CSV/ Formula Injection
CVE-2020-36962
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
tendenciPyPI | < 12.3.2 | 12.3.2 |
Affected products
3Patches
Vulnerability mechanics
References
8- www.exploit-db.com/exploits/49145ghsaexploitWEB
- github.com/advisories/GHSA-4q3w-jgfx-4792ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-36962ghsaADVISORY
- www.vulncheck.com/advisories/tendenci-csv-formula-injectionghsathird-party-advisoryWEB
- github.com/pypa/advisory-database/tree/main/vulns/tendenci/PYSEC-2026-136.yamlghsaWEB
- github.com/tendenci/tendenci/commit/3e37622cac81440c5a1f97c39f112a2cf4a5450cghsaWEB
- www.tendenci.comghsaWEB
- www.tendenci.commitreproduct
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