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CVE-2021-39318

MEDIUM CVSS: 6.1 Published: 2021-12-14 Modified: 2026-06-17

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.

Affected Platforms

H5P-Css-Editor Project H5P-Css-Editor

Weakness Type

CWE-79

References