Vulnerability in Tendenci

CVE-2020-36962

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…

EPSS: 0.107 (95.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-36962?
CVE-2020-36962 is a critical-severity vulnerability in Tendenci, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 9.8/10. Published 2026-01-28.
How severe is CVE-2020-36962?
Critical severity. CVSS v3 base score is 9.8 out of 10.