The vulnerability of the LiteSpeed Cache plugin threatens over 5 million WordPress sites
Citizen Sec
@CitizenSec , 28-08-2024
Administrators of WordPress sites using the Litespeed Cache plugin should update their sites to the latest version of the plugin to eliminate a critical vulnerability. If this is not done, an attacker could gain control over your site.
Recently, security researcher John Blackburn from PatchStack discovered a serious vulnerability in the LiteSpeed Cache plugin, which is used to speed up WordPress sites. This plugin is very popular and is installed on over 5 million sites. However, as experience shows, any vulnerability in such a popular plugin can threaten millions of users.
The vulnerability is related to a feature of the plugin that allows it to mimic user actions. Due to weak protection in this feature, an attacker can impersonate an authorized user and gain elevated privileges on the site. In the worst cases, this could lead to the installation of malicious plugins and a complete loss of control over the site.
This vulnerability, designated as CVE-2024-28000, has been rated critical with a score of 9.8 on the CVSS scale. It affected all versions of the plugin up to 6.3.0.1. After discovering the vulnerability, Blackburn reported it to the plugin developers, and they released an update to version 6.4, which addresses the issue. For his finding, the researcher received a reward of $14,400 as part of the Patchstack Zero Day program.
Now, all WordPress administrators are strongly advised to update their sites to version 6.4.1 of the LiteSpeed Cache plugin, which is the latest on the official plugin page. Don’t forget to keep an eye on your site’s security!
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