CVE-2019-16781
lowpriority · track · 23EPSS 0.016 · 76 %ileEURUUSEPSS · scored 2026-10-26
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (25)
External citations — patches, advisories, analysis.
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9vcnnvd
- https://hackerone.com/reports/731301cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-16781cnnvd
- https://packetstormsecurity.com/files/155880/Debian-Security-Advisory-4599-1.htmlcnnvd
- https://seclists.org/bugtraq/2020/Jan/8cnnvd
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/cnnvd
- https://wpvulndb.com/vulnerabilities/9976cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.0069/cnnvd
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