CVE-2019-16781
MEDIUM severity · CVSS 5.8 · Cross-site scripting (XSS)
5.8CVSS MEDIUM
Summary
In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin opening the affected post in the editor leading to XSS.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredLow
User interactionRequired
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)3%
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/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.
Additional information
- NVD record
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9vAdvisory
- https://hackerone.com/reports/731301Advisory
- https://seclists.org/bugtraq/2020/Jan/8Advisory
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/Advisory
- https://wpvulndb.com/vulnerabilities/9976Advisory
- https://www.debian.org/security/2020/dsa-4599Advisory
- https://www.debian.org/security/2020/dsa-4677Advisory
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9vAdvisory