CVE-2025-0837: Puzzles <= 4.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Description
The Puzzles theme for WordPress is vulnerable to Stored Cross-Site Scripting via shortcodes in versions up to, and including, 4.2.4 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Classification
CVE ID: CVE-2025-0837
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Affected Products
Vendor: ThemeREX
Product: Puzzles | WP Magazine / Review with Store WordPress Theme + RTL
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.05% (probability of being exploited)
EPSS Percentile: 16.82% (scored less or equal to compared to others)
EPSS Date: 2025-03-14 (when was this score calculated)
References
https://www.wordfence.com/threat-intel/vulnerabilities/id/669e3015-b64c-440d-bc06-db4828c07196?source=cvehttps://themeforest.net/item/puzzles-wordpress-magazinereview-with-wooc/5690583