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TI-2026-61575 Aliases CVE-2026-90561GHSA-jh7v-p6jw-jwhc

Strapi 4.x through 4.26.2 and 5.x before 5.48.1 Stored XSS via WYSIWYG

Priority MEDIUM 42CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0043 37th percentileScored 2026-11-07
Fix Fixed strapi (strapi): 5.48.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Strapistrapi4.0.0 – 4.26.2; 5.0.0 to before 5.48.15.48.1Patch availableCNA
  • strapi VendorStrapi Affected 4.0.0 – 4.26.2; 5.0.0 to before 5.48.1 Fixed in 5.48.1 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:strapi:strapi:*:*:*:*:*:*:*:*——Strapi
  • cpe:2.3:a:strapi:strapi:*:*:*:*:*:*:*:* Versions — — ·Strapi

Remediation

  • Fix · CNA strapi (strapi) Fixed in 5.48.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90561
  2. 2026-10-03 Alias added: GHSA-jh7v-p6jw-jwhc

References

Patch 1

Other 3

  • TI-2023-09037 Query filter flaw in Strapi exposes sensitive user details KEVCVSS 3.1HIGH 7.2
  • TI-2019-13554 strapi before 3.0.0-beta.17.5 mishandles password resets within… CVSS 3.1CRITICAL 9.8
  • TI-2023-19887 Strapi Improper Rate Limiting vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2023-08803 Strapi through 4.5.5 allows authenticated Server-Side Template Injection (SSTI) that can… CVSS 3.1CRITICAL 10.0
  • TI-2024-25161 Strapi v4.24.4 was discovered to contain a Server-Side Request Forgery (SSRF) via the… CVSS 3.1HIGH 8.6
  • TI-2023-17071 Leaking sensitive user information still possible by filtering on private with prefix fields CVSS 3.1HIGH 8.6
See all 45 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences