CVE-2020-4049

LOW

Wordpress < 3.7.34 - Basic XSS

Title source: rule
STIX 2.1

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).

References (8)

Core 8
Core References
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4709
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/07/msg00000.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/09/msg00011.html

Scores

CVSS v3 2.4
EPSS 0.0589
EPSS Percentile 90.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

Details

CWE
CWE-80 CWE-79
Status published
Products (6)
debian/debian_linux 8.0
debian/debian_linux 9.0
debian/debian_linux 10.0
fedoraproject/fedora 31
fedoraproject/fedora 32
wordpress/wordpress 3.7 - 3.7.34
Published Jun 12, 2020
Tracked Since Feb 18, 2026