Description

The Word 2 Cash plugin for WordPress is vulnerable to Cross-Site Request Forgery leading to Stored Cross-Site Scripting in versions up to and including 0.9.2. This is due to the complete absence of nonce verification on the settings save handler in the w2c_admin() function, combined with missing input sanitization before storage and missing output escaping when rendering the stored value. The w2c-definitions POST parameter is saved raw via update_option() and later echoed without escaping inside a <textarea> element. This makes it possible for unauthenticated attackers to forge a request on behalf of a logged-in administrator, storing arbitrary JavaScript payloads that execute in the WordPress admin panel whenever the settings page is visited.

Weaknesses 1

References 7

• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/word-2-cash/tags/0.9.2/word2cash.php#L18
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/word-2-cash/tags/0.9.2/word2cash.php#L20
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/word-2-cash/tags/0.9.2/word2cash.php#L31
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/word-2-cash/trunk/word2cash.php#L18
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/word-2-cash/trunk/word2cash.php#L20
• plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/word-2-cash/trunk/word2cash.php#L31
• wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/e4c7ca5c-38aa-4413-83eb-29185cca2a74?source=cve

Remediation