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CVE-2021-24243

MEDIUM 5.4 CVSS 3.1
Published
May 6, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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 products and versions

  • bitorbit WPBakery Page Builder (Visual Composer) Clipboard — From 4.5.0 (including) to 4.5.0* (excluding)
  • bitorbit WPBakery Page Builder (Visual Composer) Clipboard — From 4.5.6 (including) to 4.5.6 (excluding)
  • wpbakery_page_builder_clipboard_project wpbakery_page_builder_clipboard — From 4.5.0 (including) to 4.5.6 (excluding)

References

  • codecanyon.net https://codecanyon.net/item/visual-composer-clipboard/8897711 Product, Third Party Advisory
  • wpscan.com https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3 Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record