Gila CMS < 2.0.0 - Remote Code Execution | Advisories

Advisories

Gila CMS < 2.0.0 - Remote Code Execution

severity: critical
date: January 27, 2026
Affecting: Gila CMS < 2.0.0
CVE: CVE-2021-47900
CWE: CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
CVSS: 9.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: ExploitDB-49412
Official Vendor Homepage
Gila CMS GitHub Repository
Credit: Enesdex
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.