vulnerability
WordPress Plugin: vc-clipboard: CVE-2021-24243: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:N/AC:M/Au:S/C:N/I:P/A:N) | Apr 3, 2021 | May 15, 2025 | Apr 29, 2026 |
Severity
3
CVSS
(AV:N/AC:M/Au:S/C:N/I:P/A:N)
Published
Apr 3, 2021
Added
May 15, 2025
Modified
Apr 29, 2026
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.
Solution
vc-clipboard-plugin-cve-2021-24243
References
Rapid7 Labs
2026 Global Threat Landscape Report
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