Vulnerability Description
The WP Quick FrontEnd Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 5.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with minimal permissions like subscribers, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Webdevocean | Wp Quick Frontend Editor | <= 5.5 |
Related Weaknesses (CWE)
References
- https://blog.nintechnet.com/multiple-vulnerabilities-in-wordpress-wp-quick-frontExploit
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ed137706-1313-4bff-882Third Party Advisory
- https://blog.nintechnet.com/multiple-vulnerabilities-in-wordpress-wp-quick-frontExploit
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ed137706-1313-4bff-882Third Party Advisory
FAQ
What is CVE-2021-4378?
CVE-2021-4378 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The WP Quick FrontEnd Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 5.5 due to insufficient input sanitization and output escaping. This ma...
How severe is CVE-2021-4378?
CVE-2021-4378 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-4378?
Check the references section above for vendor advisories and patch information. Affected products include: Webdevocean Wp Quick Frontend Editor.