CVE-2026-27126: Craft CMS has Stored XSS in Table Field via "HTML" Column Type

medium Affects craftcms/cms. Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

Craft CMS has Stored XSS in Table Field via "HTML" Column Type

Package
craftcms/cms Composer
Affected versions
>=4.5.0-RC1 and <4.16.19 or >=5.0.0-RC1 and <5.8.23
Fixed in
4.16.19, 5.8.23
Severity
medium
Exploitation
not on CISA KEV · EPSS 0% (15.8th percentile)
Published
2026-02-23
Source
osv.dev

References

CWE-79
NVD recordcraftcms/cms advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
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