Wagtail CMS 6.4.1 is vulnerable to a Stored Cross-Site Scripting (XSS) in the document upload functionality. Attackers can inject malicious code inside a PDF file. When a user clicks the document in the CMS interface, the payload executes.
CVE ID: CVE-2025-45388
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.1
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vendor: n/a
Product: n/a
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 5.8% (scored less or equal to compared to others)
EPSS Date: 2025-06-05 (when was this score calculated)