WPBakery Page Builder Clipboard < 4.5.6 - Subscriber+ Stored Cross-Site Scripting (XSS)
CVE-2021-24243

5.4MEDIUM

Key Information:

Vendor
Wordpress
Status
WPbakery Page Builder (visual Composer) Clipboard
Vendor
CVE Published:
6 May 2021

Summary

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.

Affected Version(s)

WPBakery Page Builder (Visual Composer) Clipboard 4.5.0 < 4.5.0*

WPBakery Page Builder (Visual Composer) Clipboard 4.5.6

References

https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-...
x_refsource_CONFIRM
https://codecanyon.net/item/visual-composer-clipboard/889...
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Charles Strader Sweethill
.