SB2024102946 - Stored cross-site scripting in WP show more plugin for WordPress
Published: October 29, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stored cross-site scripting (CVE-ID: CVE-2024-9967)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the show_more shortcode. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1de269b5-7262-45c8-8819-00982f196597?source=cve
- https://wordpress.org/plugins/wp-show-more/#developers
- https://plugins.trac.wordpress.org/browser/wp-show-more/trunk/wp-show-more.php#L16
- https://plugins.trac.wordpress.org/browser/wp-show-more/trunk/wp-show-more.php#L23
- https://plugins.trac.wordpress.org/browser/wp-show-more/trunk/wp-show-more.php#L27
- https://plugins.trac.wordpress.org/browser/wp-show-more/trunk/wp-show-more.php#L31