CVE-2019-16781CWE-79

Stored cross-site scripting (XSS) in WordPress block editor

Medium · published December 26, 2019

CVSS v3.1
5.8
EPSS
2%
Percentile
75.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.01612 · 75.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2019-12-26T17:00Z
EPSS history
Timeline
  • 26 DEC 17:00Z
    Stored cross-site scripting (XSS) in WordPress block editor
    cvelistv5