Description

WordPress Plugin AccessPress Custom CSS [only if downloaded via the vendor website] contains suspicious code. Attackers can exploit this issue to perform a variety of actions. Successful attacks will compromise the affected application and possibly the webserver or computer. WordPress Plugin AccessPress Custom CSS version 2.0.1 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 2.0.2 or latest

References

https://jetpack.com/2022/01/18/backdoor-found-in-themes-and-plugins-from-accesspress-themes/

Related Vulnerabilities

WordPress Plugin Resume Submissions & Job Postings Cross-Site Scripting (2.5.3)

Drupal Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2008-3219)

Apache HTTP Server NULL Pointer Dereference Vulnerability (CVE-2014-3581)

Serendipity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2016-10737)

PrestaShop Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2018-8823)

Severity

High

Classification

CVE-2021-24867 CWE-912 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Tags

Missing Update