CVE-2021-47937

8.8 HIGH
Published: May 10, 2026 Modified: May 12, 2026
View on NVD

Description

e107 CMS 2.3.0 contains a remote code execution vulnerability that allows authenticated users with theme installation permissions to execute arbitrary commands by uploading malicious theme files. Attackers can upload a crafted theme package through the theme.php endpoint that deploys a web shell to the e107_themes directory, then execute system commands via the payload.php script.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://e107.org/
Source: disclosure@vulncheck.com
https://e107.org/download
Source: disclosure@vulncheck.com
https://www.exploit-db.com/exploits/50315
Source: disclosure@vulncheck.com

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.6%
44th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)