NVD HIGH: CVE-2021-47937 — e107 CMS 2.3.0 contains a remote code execution vulnerability that allows authen...

Sunday, May 10, 2026 at 01:16 PM UTC·Source: NIST NVD

Updated: Friday, May 15, 2026 at 05:00 AM UTC

Executive Summary

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.

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2021-47937

NVD MITRE CVE

Source Attribution

Originally published by NIST NVD on May 10, 2026. Verified by: NIST.

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