Vulnerability Description
The H5P CSS Editor WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the h5p-css-file parameter found in the ~/h5p-css-editor.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| H5P-Css-Editor Project | H5P-Css-Editor | <= 1.0 |
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/h5p-css-editor/tags/1.0/h5p-css-editoThird Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39318Third Party Advisory
- https://plugins.trac.wordpress.org/browser/h5p-css-editor/tags/1.0/h5p-css-editoThird Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39318Third Party Advisory
FAQ
What is CVE-2021-39318?
CVE-2021-39318 is a vulnerability with a CVSS score of 6.1 (MEDIUM). The H5P CSS Editor WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the h5p-css-file parameter found in the ~/h5p-css-editor.php file which allows attackers to inject arbitrary web...
How severe is CVE-2021-39318?
CVE-2021-39318 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39318?
Check the references section above for vendor advisories and patch information. Affected products include: H5P-Css-Editor Project H5P-Css-Editor.