Description

The WP Compress – Instant Performance & Speed Optimization plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘custom_server’ parameter in all versions up to, and including, 6.30.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Classification

CVE ID: CVE-2024-12047

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.1

Affected Products

Vendor: smartersite

Product: WP Compress – Instant Performance & Speed Optimization

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 23.14% (scored less or equal to compared to others)

EPSS Date: 2025-02-04 (when was this score calculated)

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/09c04863-a454-4f05-9403-aff39dbccd43?source=cve
https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/6.30.00/addons/cdn/cdn-rewrite.php#L459
https://wordpress.org/plugins/wp-compress-image-optimizer/#developers
https://plugins.trac.wordpress.org/changeset/3213738/

Timeline