CVE-2026-25496: Craft CMS Vulnerable to Stored XSS in Number Prefix & Suffix Fields

medium Affects craftcms/cms. Feed 2026.10.29.4, updated 2026-10-29; published 2026-02-09; advisory modified 2026-02-22.

Craft CMS Vulnerable to Stored XSS in Number Prefix & Suffix Fields

Package: craftcms/cms Composer
Affected versions: >=5.0.0-RC1 and <5.8.22 or >=4.0.0-RC1 and <4.16.18
Fixed in: 5.8.22, 4.16.18
Severity: medium
Exploitation: not on CISA KEV · EPSS 0% (35.9th percentile)
Published: 2026-02-09
Source: osv.dev

References

CWE-79

NVD record craftcms/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.

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