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P5
CVE-2026-55790: cms >= 5.0.0-RC1, < 5.9.23, >= 4.0.0-RC1, < 4.17.16
CVE-2026-55790. EPSS 0.00461 (percentile 0.39692), scored 25-Oct-2026.
Affected technology
cms · >= 5.0.0-RC1, < 5.9.23, >= 4.0.0-RC1, < 4.17.16
craftcms
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Active user interaction
What an attacker can do
An attacker with only a GitHub account can plant a JavaScript payload in a craftcms/cms issue title. Vendor/CNA’s CVSS 4.0 assessment (base score 7.4/10) rates confidentiality and integrity impact as high; availability impact as none.
- CWE
- CWE-79
- CCR priority
- 0.1 /100 (P5)
- EPSS
- 0.00461 · percentile 0.39692 · 2026-10-25
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-55790.html