WordPress before 5.2.3 has an issue with URL sanitization in wp_kses_bad_protocol_once in wp-includes/kses.php that can lead to cross-site scripting (XSS) attacks.

Related CVEs

CVE-2019-16222

Key Information

GHSA ID

GHSA-j28g-8c73-vhw9

Published

May 24, 2022 10:00 PM

Last Modified

January 31, 2023 9:30 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 29, 2025 6:31 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.