CVE-2021-45268

HIGH

8.8

CVSS Severity Score

EPSS Score0.1260%

EPSS Percentile18.82th

PublishedFeb 3, 2022

Last ModifiedNov 21, 2024

Vulnerability Description

A Cross Site Request Forgery (CSRF) vulnerability exists in Backdrop CMS 1.20, which allows Remote Attackers to gain Remote Code Execution (RCE) on the Hosting Webserver via uploading a maliciously add-on with crafted PHP file. NOTE: the vendor disputes this because the attack requires a session cookie of a high-privileged authenticated user who is entitled to install arbitrary add-ons

Affected Platforms (CPE)

📦

Backdropcms

Backdrop

= 1.20.0

References & Advisories

🔗 https://github.com/V1n1v131r4/CSRF-to-RCE-on-Backdrop-CMS

🔗 https://www.exploit-db.com/exploits/50323