CRITICAL 9.3 NVD
CVE-2026-90561
Strapi versions 4.x through 4.26.2 and 5.x before 5.48.1 contain a stored cross-site scripting vulnerability in the content manager WYSIWYG preview component th
Strapi versions 4.x through 4.26.2 and 5.x before 5.48.1 contain a stored cross-site scripting vulnerability in the content manager WYSIWYG preview component that fails to strip script tags from rich text. An Author-role user can store malicious script tags in rich text fields that execute in an Editor or Super Admin's session when the preview pane is expanded, enabling account takeover.
References
- https://github.com/strapi/strapi
- https://github.com/strapi/strapi/blob/v5.46.0/packages/core/content-manager/admin/src/page
- https://github.com/strapi/strapi/commit/875752612c30f951546904a29469e51e17e0ac37
- https://github.com/strapi/strapi/issues/26857
- https://www.vulncheck.com/advisories/strapi-4-x-through-4.26.2-and-5-x-before-5.48.1-store
This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-09-13 via NVD.
Risk Timeline
CVE Disclosed2026-09-13 · -1 days ago
Remediation Resources
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