Vulnerability Details CVE-2021-39318
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 42.5%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
References
- https://plugins.trac.wordpress.org/browser/h5p-css-editor/tags/1.0/h5p-css-editor.php#L50
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39318
- https://plugins.trac.wordpress.org/browser/h5p-css-editor/tags/1.0/h5p-css-editor.php#L50
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39318
Products affected by CVE-2021-39318
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cpe:2.3:a:h5p-css-editor_project:h5p-css-editor:*