CVE-2026-28426: Statamic vulnerable to privilege escalation via stored cross-site scripting

high Affects statamic/cms. Feed 2026.10.29.4, updated 2026-10-29; published 2026-03-01; advisory modified 2026-03-04.

Statamic vulnerable to privilege escalation via stored cross-site scripting

Package: statamic/cms Composer
Affected versions: <5.73.11 or >=6.0.0-alpha.1 and <6.4.0
Fixed in: 5.73.11, 6.4.0
Severity: high CVSS 8.7
Exploitation: not on CISA KEV · EPSS 0% (21.9th percentile)
Published: 2026-03-01
Source: osv.dev

References

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)
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