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CWE

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CVE-2021-47900

Published: Jan 27, 2026

Modified: Mar 5, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

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.

Vendor	Product	Versions
Gila CMS	Gila CMS	affected `0 - < 2.0.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

ExploitDB-49412

exploit

Official Vendor Homepage

product

Gila CMS GitHub Repository

product

VulnCheck Advisory: Gila CMS < 2.0.0 - Remote Code Execution

third-party-advisory

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