CVE-2019-16220
MEDIUMCVSS 6.1/10EPSS 2.55%
Last modified
CVE-2019-16220 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 2.55% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | < 5.2.3 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
References
- https://core.trac.wordpress.org/changeset/45971Patch, Vendor Advisory
- https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09614a28Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00023.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing List, Third Party Advisory
- https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/Release Notes, Vendor 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/45971Patch, Vendor Advisory
- https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09614a28Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00023.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing List, Third Party Advisory
- https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/Release Notes, Vendor 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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16220?
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.
How severe is CVE-2019-16220?
CVE-2019-16220 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 2.55% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16220?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-16220?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST