PatchTheCVECVE-2021-4383: The WP Quick FrontEnd Editor plugin for WordPress is vulnerable to page content injection in versions up to, a
CVE-2021-4383 is a high-severity flaw (CVSS 8.1) affecting wp quick frontend editor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The WP Quick FrontEnd Editor plugin for WordPress is vulnerable to page content injection in versions up to, and including, 5.5. This is due to missing capability checks in the plugin's page-editing functionality. This makes it possible for low-authenticated attackers, such as subscribers, to edit/create any page or post on the blog.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 44%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2023-06-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-4383?
wp quick frontend editor: upgrade to newer than 5.5. Exact commands for each OS are on this page.
Is CVE-2021-4383 being exploited?
CVE-2021-4383 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-4383 affect?
CVE-2021-4383 affects wp quick frontend editor. Severity is high (CVSS 8.1). The WP Quick FrontEnd Editor plugin for WordPress is vulnerable to page content injection in versions up to, and including, 5.5. This is due to missing capability checks in the plugin's page-editing functionality. This makes it possible for
How urgent is CVE-2021-4383?
Priority 47/100. High severity; Public exploit reference
Software pages
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