XSS in Marmelab React-Admin
CVE-2026-113350
react-admin before 5.15.5 contains a stored cross-site scripting vulnerability that allows attackers to inject scripts by storing javascript: URIs in record fields rendered by UrlField and FileField. Attackers who can influence URL-type backend fields can execute JavaScript in an administrator's authenticated session when the administrator clicks the rendered link.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/marmelab/react-admin/issues/11408 (issue-tracking)
- github.com/marmelab/react-admin/commit/d20820a05dc8094d322ffa3f0bd9800501acb0a8 (patch)
- github.com/marmelab/react-admin/releases/tag/v5.15.5 (release-notes)
- github.com/marmelab/react-admin/blob/3119d7e56c178e699a2247b67868a4613039ffc3/p… (technical-description)
- www.vulncheck.com/advisories/react-admin-before-5.15.5-stored-xss-via-urlfield-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-113350?
- CVE-2026-113350 is a medium-severity vulnerability in Marmelab React-Admin, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-10-20.
- How severe is CVE-2026-113350?
- Medium severity. CVSS v3 base score is 5.4 out of 10.