Vulnerability Description
WordPress before 5.2.3 has an issue with URL sanitization in wp_kses_bad_protocol_once in wp-includes/kses.php that can lead to cross-site scripting (XSS) attacks.
CVSS Score
6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | < 5.2.3 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://core.trac.wordpress.org/changeset/45997PatchVendor Advisory
- https://github.com/WordPress/WordPress/commit/30ac67579559fe42251b5a9f887211bf61PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00023.htmlMailing ListThird Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing ListThird Party Advisory
- https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-releRelease NotesVendor Advisory
- https://wpvulndb.com/vulnerabilities/9867ExploitThird Party Advisory
- https://www.debian.org/security/2020/dsa-4599Third Party Advisory
- https://www.debian.org/security/2020/dsa-4677Third Party Advisory
- https://core.trac.wordpress.org/changeset/45997PatchVendor Advisory
- https://github.com/WordPress/WordPress/commit/30ac67579559fe42251b5a9f887211bf61PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00023.htmlMailing ListThird Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing ListThird Party Advisory
- https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-releRelease NotesVendor Advisory
- https://wpvulndb.com/vulnerabilities/9867ExploitThird Party Advisory
- https://www.debian.org/security/2020/dsa-4599Third Party Advisory
FAQ
What is CVE-2019-16222?
CVE-2019-16222 is a vulnerability with a CVSS score of 6.1 (MEDIUM). WordPress before 5.2.3 has an issue with URL sanitization in wp_kses_bad_protocol_once in wp-includes/kses.php that can lead to cross-site scripting (XSS) attacks.
How severe is CVE-2019-16222?
CVE-2019-16222 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-16222?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress, Debian Debian Linux.