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CVE-2019-16222

MEDIUM 6.1 CVSS 3.1
Published
September 11, 2019
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

Affected WordPress components

  • WordPress core
    Confirmed match
    Before 5.2.3

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • n/a n/a — Versions not specified
  • wordpress wordpress — Before 5.2.3

References

  • core.trac.wordpress.org https://core.trac.wordpress.org/changeset/45997 Patch, Vendor Advisory
  • github.com https://github.com/WordPress/WordPress/commit/30ac67579559fe42251b5a9f887211bf61a8ed68 Patch, Third Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html Mailing List, Third Party Advisory
  • seclists.org https://seclists.org/bugtraq/2020/Jan/8 Mailing List, Third Party Advisory
  • wordpress.org https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/ Release Notes, Vendor Advisory
  • wpvulndb.com https://wpvulndb.com/vulnerabilities/9867 Exploit, Third Party Advisory
  • www.debian.org https://www.debian.org/security/2020/dsa-4599 Third Party Advisory
  • www.debian.org https://www.debian.org/security/2020/dsa-4677 Third Party Advisory
  • nvd.nist.gov Official NVD record