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WordPress Vulnerabilities

WordPress < 5.4.2 - Authenticated XSS via Media Files

Description

Props to Luigi – (gubello.me) for discovering an XSS issue where authenticated users with upload permissions are able to add JavaScript to media files.

Affects WordPress

5.4.1
Fixed in version 5.4.2
5.4
Fixed in version 5.4.2
5.3.3
Fixed in version 5.3.4
5.3.2
Fixed in version 5.3.4
5.3.1
Fixed in version 5.3.4
5.3
Fixed in version 5.3.4
5.2.6
Fixed in version 5.2.7
5.2.5
Fixed in version 5.2.7
5.2.4
Fixed in version 5.2.7
5.2.3
Fixed in version 5.2.7

References

CVE
CVE-2020-4047
URL
https://wordpress.org/news/2020/06/wordpress-5-4-2-security-and-maintenance-release/
URL
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-8q2w-5m27-wm27

Classification

Type

XSS

OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79

Miscellaneous

Original Researcher

Luigi (gubello.me)

Verified

No

WPVDB ID
741d07d1-2476-430a-b82f-e1228a9343a4

Timeline

Publicly Published

2020-06-11 (about 2 years ago)

Added

2020-06-11 (about 2 years ago)

Last Updated

2020-06-13 (about 2 years ago)

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