CVE-2019-20042
MEDIUM severity · CVSS 6.1 · Cross-site scripting (XSS)
6.1CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)5%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products we track (1)
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/46894/trunk ↗
Additional information
- NVD record
- https://core.trac.wordpress.org/changeset/46894/trunkPatch
- https://github.com/WordPress/wordpress-develop/commit/1f7f3f1f59567e2504f0fbebd51ccf004b3ccb1dPatch
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/Advisory
- https://blog.ripstech.com/filter/vulnerabilities/
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-xvg2-m2f4-83m7Advisory
- https://hackerone.com/reports/509930Advisory
- https://seclists.org/bugtraq/2020/Jan/8Advisory
- https://wpvulndb.com/vulnerabilities/9975Advisory