CVE-2021-24220 Information

Description

Thrive “Legacy” Rise by Thrive Themes WordPress theme before 2.0.0 Luxe by Thrive Themes WordPress theme before 2.0.0 Minus by Thrive Themes WordPress theme before 2.0.0 Ignition by Thrive Themes WordPress theme before 2.0.0 FocusBlog by Thrive Themes WordPress theme before 2.0.0 Squared by Thrive Themes WordPress theme before 2.0.0 Voice WordPress theme before 2.0.0 Performag by Thrive Themes WordPress theme before 2.0.0 Pressive by Thrive Themes WordPress theme before 2.0.0 Storied by Thrive Themes WordPress theme before 2.0.0 register a REST API endpoint to compress images using the Kraken image optimization engine. By supplying a crafted request in combination with data inserted using the Option Update vulnerability it was possible to use this endpoint to retrieve malicious code from a remote URL and overwrite an existing file on the site with it or create a new file.This includes executable PHP files that contain malicious code.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Reference

https://wpscan.com/vulnerability/a2424354-2639-4f53-a24f-afc11f6c4cac https://www.wordfence.com/blog/2021/03/recently-patched-vulnerability-in-thrive-themes-actively-exploited-in-the-wild

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.1