CVE-2021-39202 — Cross-site Scripting in Wordpress Wordpress-develop

CWE-79 — Cross-site Scripting3 documents3 sources
Severity
5.4MEDIUMNVD
EPSS
0.8%
top 25.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Wordpress Wordpress-developWordpressDebian Wordpress
Timeline
PublishedSep 9

Description

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitability: 2.3 | Impact: 2.7

Affected Packages3 packages

▶CVEListV5wordpress/wordpress-develop5.8 beta 1, 5.8 beta 2+1

🔴Vulnerability Details

1
OSV
CVE-2021-39202: WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database↗2021-09-09
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📋Vendor Advisories

1
Debian
CVE-2021-39202: wordpress - WordPress is a free and open-source content management system written in PHP and...↗2021
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