CVE-2020-36962
Tendenci 12.3.1 - CSV/ Formula Injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jan 28, 2026
- Updated
- Oct 8, 2026
- Reserved
- Jan 27, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-1236 Improper Neutralization of Formula Elements in a CSV File
Affected Products
| Product | Versions |
|---|---|
TendenciTendenci |
|
References
- ExploitDB-49145exploit
- Official Vendor Homepageproduct
- Tendenci GitHub Repositoryproduct
- VulnCheck Advisory: Tendenci 12.3.1 - CSV/ Formula Injectionthird-party-advisory
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