PT-2021-15786 · WordPress · Wpbakery Page Builder (Visual Composer) Clipboard

Charles Strader Sweethill · Published 2021-05-05 · Updated 2021-05-13 · CVE-2021-24243

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin versions prior to 4.5.6

Description The issue concerns an AJAX action in the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin that lacks capability checks and sanitization. This allows users with low privileges (subscriber and above) to call the action and set XSS payloads, which are then triggered on all backend pages.

Recommendations For WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin versions prior to 4.5.6, update to version 4.5.6 or later to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24243

Affected Products

Wpbakery Page Builder (Visual Composer) Clipboard

References · 4

• 🔥 https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-24243 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24243 · Vendor Advisory
• https://codecanyon.net/item/visual-composer-clipboard/8897711 · Note