CVE-2021-24243

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

MEDIUM
5.4
CVSS Score
Published: May 5, 2021 at 06:39 PM UTC
Updated: June 17, 2026 at 03:39 AM UTC
2 products affected across 2 vendorsWpbakery Page Builder ClipboardPage Builder Clipboard Project Wpbakery Page Builder Clipboard

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.7%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.5.0 ≤ v < 4.5.6
Affected range stops below 4.5.6, so it looks safe — our inference, not a vendor statement
v < 4.5.64.5.0 ≤ v < 4.5.0*4.5.0
Affected range stops below 4.5.0*, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.5.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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