CVE-2026-90561

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

CVSS score

9.3

EPSS probability

%0.4

Risk score

0.0

Published

1 mo ago

Vulnerability Timeline (Change History)

CVE-2026-90561 historical changes made to the vulnerability by NVD, CISA and MITRE:

Date	Actor / Source	Action / Description	Type	Previous value	New value
24.09.2026	nvd@nist.gov	Initial Analysis & CVSS Vector Assignment	CVSS V3.1	—	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
13.09.2026	CISA Coordinator	SSVC Risk Re-assessment	SSVC / KEV	exploitation: none	exploitation: none
13.09.2026	MITRE / NVD	New CVE Record Received & Ingested	CVE Created	—	CVE-2026-90561

7.2

WorkaroundEPSS %43 y ago

8.8

Patch status unknown Public Exploits:2EPSS %24 y ago

5.3

Patch verifiedEPSS %05 mo ago

5.4

Patch verifiedEPSS %03 mo ago

5.3

Patch status unknownEPSS %08 d ago

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-90561"