CVE-2025-0837: Puzzles <= 4.2.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
The Puzzles theme for WordPress is vulnerable to Stored Cross-Site Scripting via shortcodes in versions up to, and including, 4.2.6 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-0837?
CVE-2025-0837 has been classified as a medium severity vulnerability due to the potential for stored cross-site scripting attacks.
Who is affected by CVE-2025-0837?
CVE-2025-0837 affects users of the Puzzles theme for WordPress, specifically versions up to and including 4.2.4.
How do I fix CVE-2025-0837?
To fix CVE-2025-0837, you should update the Puzzles theme to version 4.2.5 or later.
What type of attack is possible with CVE-2025-0837?
CVE-2025-0837 allows authenticated attackers to execute stored cross-site scripting (XSS) attacks via user-supplied attributes.
Is user authentication necessary for exploiting CVE-2025-0837?
Yes, CVE-2025-0837 requires an authenticated attacker to exploit the vulnerability.