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OpenAdvisories
Medium · 6.1 CVE-2021-39318 EUVD-2021-25679GHSA-777j-8c2c-w27p

H5P CSS Editor <= 1.0 Reflected Cross-Site Scripting

Published Dec 14, 2021 · Updated Feb 13, 2025 · Assigned by Wordfence

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 products

VendorProductAffectedFixed
H5P CSS Editor H5P CSS Editor 1.0 – ≤ 1.0 —

References