Vulnerability Details : 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.
Vulnerability category: Open redirect
Products affected by CVE-2019-16220
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Threat overview for CVE-2019-16220
Top countries where our scanners detected CVE-2019-16220
Top open port discovered on systems with this issue
80
IPs affected by CVE-2019-16220 7
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2019-16220!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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Exploit prediction scoring system (EPSS) score for CVE-2019-16220
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-16220
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2019-16220
-
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-16220
-
https://core.trac.wordpress.org/changeset/45971
Changeset 45971 – WordPress TracPatch;Vendor Advisory
-
https://www.debian.org/security/2020/dsa-4599
Debian -- Security Information -- DSA-4599-1 wordpressThird Party Advisory
-
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/
News – WordPress 5.2.3 Security and Maintenance Release – WordPress.orgRelease Notes;Vendor Advisory
-
https://github.com/WordPress/WordPress/commit/c86ee39ff4c1a79b93c967eb88522f5c09614a28
Improve URL validation in `wp_validate_redirect()`. · WordPress/WordPress@c86ee39 · GitHubPatch;Third Party Advisory
-
https://seclists.org/bugtraq/2020/Jan/8
Bugtraq: [SECURITY] [DSA 4599-1] wordpress security updateMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html
[SECURITY] [DLA 1960-1] wordpress security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2020/dsa-4677
Debian -- Security Information -- DSA-4677-1 wordpressThird Party Advisory
-
https://wpvulndb.com/vulnerabilities/9863
WordPress 5.2.2 - Potential Open RedirectThird Party Advisory
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