CVE-2019-20042 Information

Description

In wp-includes/formatting.php in WordPress 3.7 to 5.3.0 the function wp_targeted_link_rel() can be used in a particular way to result in a stored cross-site scripting (XSS) vulnerability. This has been patched in WordPress 5.3.1 along with all the previous WordPress versions from 3.7 to 5.3 via a minor release.

CVSS Vector

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

Reference

https://blog.ripstech.com/filter/vulnerabilities/ https://core.trac.wordpress.org/changeset/46894/trunk https://github.com/WordPress/wordpress-develop/commit/1f7f3f1f59567e2504f0fbebd51ccf004b3ccb1d https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-xvg2-m2f4-83m7 https://hackerone.com/reports/509930 https://seclists.org/bugtraq/2020/Jan/8 https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/ https://wpvulndb.com/vulnerabilities/9975 https://www.debian.org/security/2020/dsa-4599 https://www.debian.org/security/2020/dsa-4677

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1