Bug 1793668 (CVE-2019-16781) - CVE-2019-16781 wordpress: XSS in WordPress block editor (within dashboard)
Summary: CVE-2019-16781 wordpress: XSS in WordPress block editor (within dashboard)
Keywords:
Status: NEW
Alias: CVE-2019-16781
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1793669 1793670
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-01-21 19:00 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-01-21 19:00 UTC (History)
2 users (show)

Fixed In Version:
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Last Closed:


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Description Guilherme de Almeida Suckevicz 2020-01-21 19:00:06 UTC
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.

Reference:
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9v

Comment 1 Guilherme de Almeida Suckevicz 2020-01-21 19:00:26 UTC
Created wordpress tracking bugs for this issue:

Affects: epel-6 [bug 1793669]
Affects: epel-7 [bug 1793670]


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