Craft CMS Cross-site Scripting Vulnerability

MEDIUM 5.4CVE-2020-19626 · GHSA-33jj-92px-m4g7 · Published 26/03/2021 · updated 17/06/2026

In short

CVE-2020-19626 is a MEDIUM (CVSS 5.4) vulnerability affecting craftcms/cms, craft cms (craftcms).
Chance of exploitation in the next 30 days (EPSS): 0.85%, higher than 58.1% of all vulnerabilities.
Fix: update to 3.1.33 or later.

Package	Affected versions	Patched versions
craftcms/cms Packagist	`< 3.1.33`	`3.1.33`
craft cms craftcms	`= 3.1.31`	No fix yet

Description

Cross Site Scripting (XSS) vulnerability in craftcms 3.1.31, allows remote attackers to inject arbitrary web script or HTML, via /admin/settings/sites/new.

NVD description

Cross Site Scripting (XSS) vulnerability in craftcms 3.1.31, allows remote attackers to inject arbitrary web script or HTML, via /admin/settings/sites/new.

References

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Package

Affected versions

Patched versions

craftcms/cms

Packagist

< 3.1.33

3.1.33

craft cms

craftcms

= 3.1.31

No fix yet

Description

Cross Site Scripting (XSS) vulnerability in craftcms 3.1.31, allows remote attackers to inject arbitrary web script or HTML, via /admin/settings/sites/new.

NVD description

Cross Site Scripting (XSS) vulnerability in craftcms 3.1.31, allows remote attackers to inject arbitrary web script or HTML, via /admin/settings/sites/new.

More vulnerabilities in craftcms/cms

See all →