CVE-2019-20041
on github
Published
Severity
CVSS v3:
9.8 CRITICAL
CVSS v2:
7.5 HIGH
Description
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.
References
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
- https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53
- https://www.debian.org/security/2020/dsa-4599
- https://seclists.org/bugtraq/2020/Jan/8
- https://lists.debian.org/debian-lts-announce/2020/01/msg00010.html
- https://www.debian.org/security/2020/dsa-4677
Configurations
| CPE23 | Version Start | Version End | Exact Version |
|---|---|---|---|
| cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* | n/a | 5.3.1 | * |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | n/a | n/a | 8.0 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | n/a | n/a | 9.0 |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | n/a | n/a | 10.0 |