CVE-2021-24591

Name of the Vulnerable Software and Affected Versions Highlight WordPress plugin versions prior to 0.9.3

Description The issue allows high privilege users to perform Cross-Site Scripting attacks due to the lack of sanitization in the CustomCSS setting, even when the unfiltered html capability is disallowed.

Recommendations For versions prior to 0.9.3, update to version 0.9.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the CustomCSS setting to minimize the risk of exploitation.