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CVE-2020-4049

nvd nist
Published: Jun 12, 2020Modified: Jun 17, 2026

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2.4
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Exploitability: 0.9 / Impact: 1.4
Source: NVD

Description

In affected versions of WordPress, when uploading themes, the name of the theme folder can be crafted in a way that could lead to JavaScript execution in /wp-admin on the themes page. This does require an admin to upload the theme, and is low severity self-XSS. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).

Affected (23)

Wordpress
1 product
Wordpress
Fedoraproject
1 product
Fedora
Debian
1 product
Debian Linux
Configuration A
18 vulnerable
Vulnerable SoftwareAffected Versions
Wordpress
Wordpress
From 3.7 to 3.7.34
Wordpress
From 3.8 to 3.8.34
Wordpress
From 3.9 to 3.9.32
Wordpress
From 4.0 to 4.0.31
Wordpress
From 4.1 to 4.1.31
Wordpress
From 4.2 to 4.2.28
Wordpress
From 4.3 to 4.3.24
Wordpress
From 4.4 to 4.4.23
Wordpress
From 4.5 to 4.5.22
Wordpress
From 4.6 to 4.6.19
Wordpress
From 4.7 to 4.7.18
Wordpress
From 4.8 to 4.8.14
Wordpress
From 4.9 to 4.9.15
Wordpress
From 5.0 to 5.0.10
Wordpress
From 5.1 to 5.1.6
Wordpress
From 5.2 to 5.2.7
Wordpress
From 5.3.0 to 5.3.4
Wordpress
From 5.4 to 5.4.2
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 31
Fedora
Version 32
Configuration C
3 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 10.0
Debian Linux
Version 8.0
Debian Linux
Version 9.0

Related CWEs

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CWE-80
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.

References (16)

Source: security-advisories@github.com
PatchThird Party Advisory
Source: security-advisories@github.com
Third Party Advisory
Source: security-advisories@github.com
Mailing ListThird Party Advisory
Source: security-advisories@github.com
Mailing ListThird Party Advisory
Source: security-advisories@github.com
Source: security-advisories@github.com
Source: security-advisories@github.com
Vendor Advisory
Source: security-advisories@github.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.