WPBakery Page Builder Clipboard < 4.5.6 - Subscriber+ Stored Cross-Site Scripting (XSS)
Priority LOW 26CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.00703 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed WPBakery Page Builder (Visual Composer) Clipboard (bitorbit): 4.5.6
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| bitorbit | WPBakery Page Builder (Visual Composer) Clipboard | 4.5.0 and later; 4.5.6 to before 4.5.6 | 4.5.6 | Patch available | CNA |
- WPBakery Page Builder (Visual Composer) Clipboard Vendorbitorbit Affected 4.5.0 and later; 4.5.6 to before 4.5.6 Fixed in 4.5.6 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wpbakery_page_builder_clipboard_project:wpbakery_page_builder_clipboard:*:*:*:*:*:wordpress:*:* | 4.5.0 to before 4.5.6 | Vulnerable | Wpbakery Page Builder Clipboard Project |
- cpe:2.3:a:wpbakery_page_builder_clipboard_project:wpbakery_page_builder_clipboard:*:*:*:*:*:wordpress:*:* Versions 4.5.0 to before 4.5.6 Vulnerable ·Wpbakery Page Builder Clipboard Project
Remediation
- Fix · CNA WPBakery Page Builder (Visual Composer) Clipboard (bitorbit) Fixed in 4.5.6
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24243
- 2026-10-03 Alias added: GHSA-q5g9-jf88-x4g8
References
More Wpbakery Page Builder Clipboard Project Wpbakery Page Builder Clipboard vulnerabilities
- TI-2021-06536 WPBakery Page Builder Clipboard < 4.5.8 - Unauthorised Arbitrary License Options Update CVSS 3.1MEDIUM 6.5
- TI-2024-04889 Cross-site scripting in WPBakery Page Builder CVSS 3.1MEDIUM 6.4
Sources
- CVE-2021-24243 · CVE Program
- CVE-2021-24243 · NVD
- FIRST EPSS
- GHSA-q5g9-jf88-x4g8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences