PT-2026-90832 · Strapi · Strapi

·

CVE-2026-90561

·

Published

2026-09-13

·

Updated

2026-09-13

CVSS v3.1

8.7

High

VectorAV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
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.

Fix

XSS

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-90561

Affected Products

Strapi