HIGHVulnerability
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 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.
Properties
- severity
- HIGH
- score
- 8.7
- cve_id
- CVE-2026-90561
- signal_observed_at
- 2026-09-23T04:35:40+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- published_at
- 2026-09-13T11:17:00.613
- last_modified
- 2026-09-18T18:18:00.637
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
DESCRIBED_BY (1)
→[Source]NVD
Explore deeper with Ninja Signal's threat intelligence graph