Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | >= 3.7, < 5.3.1 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://blog.ripstech.com/filter/vulnerabilities/Not Applicable
- https://core.trac.wordpress.org/changeset/46894/trunkPatch
- https://github.com/WordPress/wordpress-develop/commit/1f7f3f1f59567e2504f0fbebd5Patch
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-xvg2-m2fThird Party Advisory
- https://hackerone.com/reports/509930Third Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing ListThird Party Advisory
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-releRelease NotesVendor Advisory
- https://wpvulndb.com/vulnerabilities/9975Release NotesThird Party Advisory
- https://www.debian.org/security/2020/dsa-4599Third Party Advisory
- https://www.debian.org/security/2020/dsa-4677Third Party Advisory
- https://blog.ripstech.com/filter/vulnerabilities/Not Applicable
- https://core.trac.wordpress.org/changeset/46894/trunkPatch
- https://github.com/WordPress/wordpress-develop/commit/1f7f3f1f59567e2504f0fbebd5Patch
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-xvg2-m2fThird Party Advisory
- https://hackerone.com/reports/509930Third Party Advisory
FAQ
What is CVE-2019-20042?
CVE-2019-20042 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 be...
How severe is CVE-2019-20042?
CVE-2019-20042 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20042?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress, Debian Debian Linux.