CVE-2019-16222

Public Exploit

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.64% Top 20%
Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory wordpress.org Vendor Advisory wordpress.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://wpvulndb.com/vulnerabilities/9867 third party advisory exploit
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/ release notes vendor advisory
https://core.trac.wordpress.org/changeset/45997 patch vendor advisory
https://github.com/WordPress/WordPress/commit/30ac67579559fe42251b5a9f887211bf61a8ed68 third party advisory patch
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html third party advisory mailing list
https://seclists.org/bugtraq/2020/Jan/8 third party advisory mailing list
https://www.debian.org/security/2020/dsa-4599 third party advisory vendor advisory
https://www.debian.org/security/2020/dsa-4677 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-16222?
CVE-2019-16222 has been scored as a medium severity vulnerability.
How to fix CVE-2019-16222?
To fix CVE-2019-16222, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-16222 being actively exploited in the wild?
It is possible that CVE-2019-16222 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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