PT-2026-39512 · E107 · E107 Cms

Halit Akaydin · Published 2026-05-10 · Updated 2026-05-10 · CVE-2021-47937

Mitre

CVSS v3.1

8.8

High

Base vector

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

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.

Exploit

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2021-47937

Affected Products

E107 Cms

References · 5

• 🔥 https://exploit-db.com/exploits/50315 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47937 · Security Note
• https://e107.org · Note
• https://vulncheck.com/advisories/e107-cms-authenticated-remote-code-execution-via-theme-upload · Note
• https://e107.org/download · Note