critical9.8
CVE-2019-20041
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…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Wordpress | Wordpress | before 5.3.1 |
| Debian | Debian Linux | Versions 8.0, 9.0, 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53
- https://lists.debian.org/debian-lts-announce/2020/01/msg00010.html
- https://seclists.org/bugtraq/2020/Jan/8
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
- https://www.debian.org/security/2020/dsa-4599
- https://www.debian.org/security/2020/dsa-4677
- https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53
- https://lists.debian.org/debian-lts-announce/2020/01/msg00010.html
- https://seclists.org/bugtraq/2020/Jan/8
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
- https://www.debian.org/security/2020/dsa-4599
- https://www.debian.org/security/2020/dsa-4677