W3 Total Cache <= 2.1.3 - Reflected Cross-Site Scripting via extension

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-24436
CVSS Medium (6.1)
Publicly Published June 28, 2021
Last Updated January 22, 2024
Researcher renniepak
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.

References

1 affected software package

Software Type Plugin
Software Slug w3-total-cache (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.1.4
Patched Version
  • 2.1.4
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