What’s Vulnerable › Vulnerabilities

CVE-2024-5600: Happy SCSS Compiler - Compile SCSS to CSS automatically <= 1.3.10 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-09 · updated 2026-06-17
• Weakness: CWE-862

Description

The SCSS Happy Compiler – Compile SCSS to CSS & Automatic Enqueue plugin for WordPress is vulnerable to Stored Cross-Site Scripting due to a missing capability check and insufficient sanitization on the import_settings() function in all versions up to, and including, 1.3.10. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject malicious web scripts.

Affected products

• happymonkeyagency Scss Happy Compiler: through 1.3.10

References

• https://plugins.trac.wordpress.org/browser/happy-scss-compiler/trunk/admin/class-hm-wp-scss-admin.php#L384
• https://www.wordfence.com/threat-intel/vulnerabilities/id/3d0ecffe-8543-4d82-a1cc-f2474499f373?source=cve
• https://plugins.trac.wordpress.org/browser/happy-scss-compiler/trunk/admin/class-hm-wp-scss-admin.php#L384
• https://www.wordfence.com/threat-intel/vulnerabilities/id/3d0ecffe-8543-4d82-a1cc-f2474499f373?source=cve

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