ID:

CVE-2019-20041 (NVD)

- Vulnerability Info (edit)
2019-12-27

wp_kses_bad_protocol in wp-includes/kses.php in WordPress before 5.3.1 mishandles the HTML5 colon named entity, allowing attackers to bypass input sanitization, as demonstrated by the javascript: substring.

Products Wordpress
Type Improper Input Validation (CWE-20)
First patch - None (likely due to unavailable code)
Patches https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53
Links • https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
• https://www.debian.org/security/2020/dsa-4599
• https://seclists.org/bugtraq/2020/Jan/8
Annotation

Note:

No patch was assigned yet.