CVE-2024-5600 describes a missing authorization vulnerability (CWE-862) in the SCSS Happy Compiler – Compile SCSS to CSS & Automatic Enqueue WordPress plugin. The import_settings() function lacks proper capability checks and sanitization, enabling authenticated users with low privileges (Subscriber and above) to perform stored cross-site scripting attacks by injecting malicious web scripts. This vulnerability affects all versions up to and including 1.3.10. The CVSS 3.1 base score is 5.4, reflecting a medium severity with network attack vector, low attack complexity, and no user interaction required.

An attacker with Subscriber-level access or higher can exploit this vulnerability to inject persistent malicious scripts into the plugin's settings. This can lead to client-side script execution in the context of the affected site, potentially compromising user sessions or performing unauthorized actions within the victim's browser. The impact is limited to confidentiality and integrity with no direct availability impact reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict plugin access to trusted users only and consider disabling or removing the plugin if possible. Monitor official sources for updates or patches from happymonkeyagency.