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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Tendenci | Tendenci | 12.3.1 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | tendenci | < 12.3.2 | 12.3.2 | GHSA-4q3w-jgfx-4792 |
| PyPI | tendenci | <= 12.3.1 | — | PYSEC-2026-136 |
References
- ExploitDB-49145 exploit
- Official Vendor Homepage product
- Tendenci GitHub Repository product
- VulnCheck Advisory: Tendenci 12.3.1 - CSV/ Formula Injection third-party-advisory