VULNERABILITY INTELLIGENCE
CVE-2021-47936
CVSS score9.8 CRITICAL
EPSS probability0.66%
CISA KEVNot currently listed
Published2026-05-10
Last modified2026-10-06
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
OpenCATS 0.9.4 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary commands by uploading malicious PHP files disguised as resume attachments. Attackers can upload PHP payloads through the careers job application endpoint and execute system commands via POST requests to the uploaded file in the upload directory.
Weakness classification
- disclosure@vulncheck.com: CWE-306