CVE-2021-24243
Last modified
CVE-2021-24243 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wpbakery Page Builder Clipboard Project | Wpbakery Page Builder Clipboard | >= 4.5.0, < 4.5.6 |
References
- https://codecanyon.net/item/visual-composer-clipboard/8897711Product, Third Party Advisory
- https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3Exploit, Third Party Advisory
- https://codecanyon.net/item/visual-composer-clipboard/8897711Product, Third Party Advisory
- https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-24243?
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-24243?
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Scan your code nowSource: NVD / NIST