CVE-2022-50907CWE-434

e107 CMS v3.2.1 - Admin Upload Restriction Bypass + RCE

High · published January 13, 2026

CVSS v4.0
8.6
EPSS
1%
Percentile
69.1
In the wild
Unconfirmed
What it is

⚡ An authenticated admin can exploit this file upload vulnerability in e107 CMS to execute malicious PHP files! 🚨 Think of it like a restaurant where a chef can sneak in their own ingredients without anyone checking. They could swap a spice container for something toxic that ruins the whole meal! An attacker could gain full control over your web server, allowing them to run arbitrary code, steal sensitive data, or even deface your site. This means compromising trust and potentially exposing users to further threats — absolutely devastating!

Put simply

Think of it like a restaurant where a chef can sneak in their own ingredients without anyone checking. They could swap a spice container for something toxic that ruins the whole meal! This vulnerability allows authenticated administrative users to bypass file upload restrictions by manipulating the upload URL parameter, enabling them to upload malicious PHP files through the Media Manager import feature.

What to do

An attacker could gain full control over your web server, allowing them to run arbitrary code, steal sensitive data, or even deface your site. This means compromising trust and potentially exposing users to further threats — absolutely devastating! Immediately patch to version 3.2.2, which addresses this vulnerability. Additionally, review file upload permissions and implement strict validation and sanitization for all uploaded files. Stay vigilant! You've got this! Follow these steps and secure your e107 CMS like the hero you are! 🛡️

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.01246 · 69.1th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-01-13T22:51Z
EPSS history
Timeline
  • 13 JAN 22:51Z
    e107 CMS v3.2.1 - Admin Upload Restriction Bypass + RCE
    cvelistv5