VulnerabilityModified
CVE-2019-16781
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.
MEDIUM 5.4EPSS 1.40%
Does this matter?
Lower severity and a low EPSS score (1.40%). Track it; it rarely justifies an emergency change on its own.
Description
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 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.40% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- wordpress/wordpress · debian/debian linux
- Source
- security-advisories@github.com
References
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9vThird Party Advisory
- https://hackerone.com/reports/731301Permissions Required, Third Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing List, Third Party Advisory
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/Release Notes, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9976Third Party Advisory
- https://www.debian.org/security/2020/dsa-4599Third Party Advisory
- https://www.debian.org/security/2020/dsa-4677Third Party Advisory
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9vThird Party Advisory
- https://hackerone.com/reports/731301Permissions Required, Third Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing List, Third Party Advisory
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/Release Notes, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9976Third Party Advisory
- https://www.debian.org/security/2020/dsa-4599Third Party Advisory
- https://www.debian.org/security/2020/dsa-4677Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.