Stored cross-site scripting in Simple Shortcodes - CVE-2023-5566
Published: November 1, 2023
Simple Shortcodes
supersimplethemes
Description
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 within shortcodes. 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
External links
- https://plugins.trac.wordpress.org/browser/smpl-shortcodes/tags/1.0.20/includes/shortcodes.php#L386
- https://plugins.trac.wordpress.org/browser/smpl-shortcodes/tags/1.0.20/includes/shortcodes.php#L257
- https://plugins.trac.wordpress.org/browser/smpl-shortcodes/tags/1.0.20/includes/shortcodes.php#L292
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a153d6b2-e3fd-42db-90ba-d899a07d60c1?source=cve