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.
History

Tue, 27 Jan 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 27 Jan 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Gila CMS < 2.0.0 - Remote Code Execution
Weaknesses CWE-98
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-27T15:50:58.070Z

Reserved: 2026-01-18T12:35:05.176Z

Link: CVE-2021-47900

cve-icon Vulnrichment

Updated: 2026-01-27T15:49:53.858Z

cve-icon NVD

Status : Received

Published: 2026-01-27T16:16:12.920

Modified: 2026-01-27T16:16:12.920

Link: CVE-2021-47900

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.