CVE-2019-20041

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.

Risk Information

Base Score

9.8

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

1.366

Associated Vulnerability

Vulnerability	OS Platform
wordpress security update(DSA-4599-1) wordpress_5.0.4+dfsg1-1+deb10u1_all.deb	Linux
wordpress security update(DSA-4677-1) wordpress_4.7.5+dfsg-2+deb9u6_all.deb	Linux
wordpress security update(DSA-4677-1) wordpress_5.0.4+dfsg1-1+deb10u2_all.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234