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 message field to trigger arbitrary command execution when the CSV is opened in spreadsheet applications.
- CVSS 4.0
- 5.3
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 - CVSS 3.1
- 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 12% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-25)
- CWE
- CWE-1236
- Published
- Modified
- Record from
- the NVD, synced
Affected
- tendenci:tendenci
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-4q3w-jgfx-4792 | PyPI | tendenci | <12.3.2 | 12.3.2 |
| PYSEC-2026-136 | PyPI | tendenci | <=12.3.1 | no fix published |