CVE-2021-47900
CRITICAL EPSS 44.3%
Published Jan 27, 20265mo ago · Modified Jun 17, 20261w ago
9.3 CVSS 4.0
Published Jan 27, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
44.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-98
References 4
- gilacms.com https://gilacms.com/
- github.com https://github.com/GilaCMS/gila
- exploit-db.com https://www.exploit-db.com/exploits/49412
- vulncheck.com https://www.vulncheck.com/advisories/gila-cms-remote-code-execution
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.