CVE-2026-28426
Stored XSS in Statamic CMS allows authenticated users to inject JS viewed by admins.
Is CVE-2026-28426 being exploited?
Not confirmed. CVE-2026-28426 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.26% probability of exploitation in the next 30 days.
How severe is CVE-2026-28426?
CVE-2026-28426 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-28426?
Yes. A fix has been recorded for CVE-2026-28426. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-28426 affect?
CVE-2026-28426 affects Statamic CMS < 5.73.11, Statamic CMS < 6.4.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-28426?
Upgrade to 5.73.11 or 6.4.0; verify content integrity.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can inject JS via SVG/icon fields; executes in admin sessions, risking credential theft or session hijack.
Patch when possible
- affected< 5.73.11
- affected>= 6.0.0 and < 6.4.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.