WPBakery Page Builder Clipboard <= 4.5.5 - Stored Cross-Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-24243
CVSS Medium (6.4)
Publicly Published April 3, 2021
Last Updated January 22, 2024
Researcher Charles Strader Sweethill
Description

An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.

References

1 affected software package

Software Type Plugin
Software Slug vc_clipboard (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 4.5.6
Patched Version
  • 4.5.6
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