Vulnerability Description
In WordPress before 5.2.3, validation and sanitization of a URL in wp_validate_redirect in wp-includes/pluggable.php could lead to an open redirect if a provided URL path does not start with a forward slash.
CVSS Score
MEDIUM
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/45971PatchVendor Advisory
- https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09PatchThird 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/9863Third 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/45971PatchVendor Advisory
- https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00023.htmlMailing ListThird Party Advisory
- https://medium.com/@theodorejackson.us/rediscovering-an-old-vulnerability-cve-20
- 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/9863Third Party Advisory
FAQ
What is CVE-2019-16220?
CVE-2019-16220 is a vulnerability with a CVSS score of 6.1 (MEDIUM). In WordPress before 5.2.3, validation and sanitization of a URL in wp_validate_redirect in wp-includes/pluggable.php could lead to an open redirect if a provided URL path does not start with a forward...
How severe is CVE-2019-16220?
CVE-2019-16220 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-2019-16220?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress, Debian Debian Linux.