SB2019092504 - Unauthenticated options update in Rich Reviews plugin for WordPress

Description

This security bulletin contains information about 1 vulnerability.

1) Improper access control (CVE-ID: N/A)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions when processing data passed to the "/wp-admin/admin-post.php" URL. A remote non-authenticated attacker can bypass implemented security restrictions and execute arbitrary JavaScript code on the website.

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

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://wordpress.org/support/topic/plugin-not-supported-open-to-malware-uninstall-now/
• https://www.wordfence.com/blog/2019/09/rich-reviews-plugin-vulnerability-exploited-in-the-wild/