CVE-2020-36962

EUVD-2020-30887
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheckCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 42%
Affected Products (NVD)
VendorProductVersion
tendencitendenci
12.3.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/tendenci/tendenci
https://www.exploit-db.com/exploits/49145
https://www.tendenci.com/
https://www.vulncheck.com/advisories/tendenci-csv-formula-injection
https://www.exploit-db.com/exploits/49145