CVE-2019-20041
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2019-20041
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20041.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2019-20041
- Downstream
- Published
- 2019-12-27T08:15:09Z
- Modified
- 2025-08-09T20:01:26Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
wpksesbad_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://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
Affected packages
Git / github.com/wordpress/wordpress
Affected ranges
- Type
- GIT
- Repo
- https://github.com/wordpress/wordpress
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
- Type
- GIT
- Repo
- https://github.com/wordpress/wordpress-develop
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed