SB2020051118 - Remote code execution in Elementor Pro plugin for WordPress

Description

This security bulletin contains information about 1 security vulnerability.

1) Arbitrary file upload (CVE-ID: N/A)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote authenticated attacker can upload a malicious file and execute it on the blog.

This vulnerability is exploitable if users have open registration, hovewer in conjunction with a vulnerability in Ultimate Addons for Elementor (SB2020051119), it is possible to be exploited, even if the site does not have user registration enabled.

Note: The vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.

References

• https://wpvulndb.com/vulnerabilities/10214/
• https://blog.nintechnet.com/zero-day-vulnerability-exploited-in-elementor-pro/
• https://www.wordfence.com/blog/2020/05/combined-attack-on-elementor-pro-and-ultimate-addons-for-elementor-puts-1-million-sites-at-risk/