Vulnerability DatabaseCVE-2020-36962
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CVE-2020-36962
Published:January 28, 2026
Updated:August 06, 2026
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 Packages
tendenci (PYTHON):
Affected version(s) >=5.1.0 <12.3.2
Fix Suggestion:
Update to version 12.3.2
Related Resources (8)
https://github.com/tendenci/tendenci
https://nvd.nist.gov/vuln/detail/CVE-2020-36962
https://www.vulncheck.com/advisories/tendenci-csv-formula-injection
https://www.tendenci.com
https://github.com/tendenci/tendenci/commit/3e37622cac81440c5a1f97c39f112a2cf4a5450c
https://www.tendenci.com/
https://www.exploit-db.com/exploits/49145
https://github.com/pypa/advisory-database/tree/main/vulns/tendenci/PYSEC-2026-136.yaml
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Formula Elements in a CSV File
CWE-1236
EPSS
Base Score:
10.68