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

What is CVE-2021-24243?

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
.