Medium severity · published Sep 11, 2019
CVE-2019-16222
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
6.1
CVSS
2.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
before 5.2.3 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16222
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16222
Patch
https://core.trac.wordpress.org/changeset/45997
Patch
https://github.com/WordPress/WordPress/commit/30ac67579559fe42251b5a9f887211bf61a8ed68
Mailing List
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html
Mailing List
https://seclists.org/bugtraq/2020/Jan/8
Release Notes
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/
Exploit
https://wpvulndb.com/vulnerabilities/9867
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