VULNERABILITY INTELLIGENCE
CVE-2021-47900
CVSS score9.8 CRITICAL
EPSS probability0.71%
CISA KEVNot currently listed
Published2026-01-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Gila CMS versions prior to 2.0.0 contain a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary system commands through manipulated HTTP headers. Attackers can inject PHP code in the User-Agent header with shell_exec() to run system commands by sending crafted requests to the admin endpoint.
Weakness classification
- disclosure@vulncheck.com: CWE-98