CVE-2021-24436

Medium

Description

The W3 Total Cache WordPress plugin before 2.1.4 was vulnerable to a reflected Cross-Site Scripting (XSS) security vulnerability within the "extension" parameter in the Extensions dashboard, which is output in an attribute without being escaped first. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.

SeverityMedium
CVSS6.1
Exploit probability—
ProductBoldgrid W3 Total Cache
PublishedJul 19, 2021
First seenJul 19, 2021

How to fix

Update
  • boldgrid w3_total_cache2.1.4 or later

Affected products

ProductAffected versionsFixed in
boldgrid w3_total_cachev < 2.1.42.1.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.