Critical severity9.8NVD Advisory· Published Jan 27, 2026· Updated Apr 15, 2026

CVE-2021-47900

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.

Affected products

GilaCMS/Gilareferences

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

gilacms.comnvd
www.exploit-db.com/exploits/49412nvd
www.vulncheck.com/advisories/gila-cms-remote-code-executionnvd

News mentions

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