CVE-2019-16222

MEDIUM severity · CVSS 6.1 · Cross-site scripting (XSS)

6.1CVSS MEDIUM

Summary

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.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

Confidentiality impactLow

Integrity impactLow

Availability impactNone

Exploit probability (EPSS)2%

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products we track (1)

WordPress

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://core.trac.wordpress.org/changeset/45997 ↗

Additional information

NVD record
https://core.trac.wordpress.org/changeset/45997Patch
https://github.com/WordPress/WordPress/commit/30ac67579559fe42251b5a9f887211bf61a8ed68Patch
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.htmlAdvisory
https://seclists.org/bugtraq/2020/Jan/8Advisory
https://www.debian.org/security/2020/dsa-4599Advisory
https://www.debian.org/security/2020/dsa-4677Advisory
https://wpvulndb.com/vulnerabilities/9867Advisory