CVE-2026-56393: Craft CMS Vulnerable to Stored XSS in Settings Names and Field Options

low Affects craftcms/cms. Feed 2026.10.29.4, updated 2026-10-29; published 2026-03-03; advisory modified 2026-08-06.

Craft CMS Vulnerable to Stored XSS in Settings Names and Field Options

Package: craftcms/cms Composer
Affected versions: >=5.0.0-RC1 and <5.9.0-beta.1 or >=4.0.0-RC1 and <4.17.0-beta.1
Fixed in: 5.9.0-beta.1, 4.17.0-beta.1
Severity: low
Exploitation: not on CISA KEV · EPSS 0% (13.2th percentile)
Published: 2026-03-03
Source: osv.dev

References

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