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CVE-2021-47937 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: May 10, 2026

e107 CMS - Remote Code Execution

Published: May 10, 2026Updated: May 10, 2026Remote Exploitable

Overview

e107 CMS 2.3.0 contains a remote code execution caused by improper validation of uploaded theme files in theme.php, letting authenticated users with theme installation permissions execute arbitrary commands.

Severity & Score

Severity: High

CVSS Score: 8.8

Impact

Authenticated users with theme installation permissions can execute arbitrary system commands, potentially leading to full server compromise.

Mitigation

Update to the latest version of e107 CMS.

References

https://e107.org/
https://e107.org/download
https://www.exploit-db.com/exploits/50315
https://www.vulncheck.com/advisories/e107-cms-authenticated-remote-code-execution-via-theme-upload

Related Resources

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Details

CVE ID: CVE-2021-47937
Severity: High
CVSS Score: 8.8
Type: command_injection
Status: new

CWE

CWE-434

CVSS Metrics

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