Quill is vulnerable to XSS via HTML export feature
Date: 2026-01
Affected: npm/quill
Attack vector: xss
Category: vulnerability-disclosure
Severity: Low
CVE: CVE-2025-15056
CWE: CWE-74
CWE-79
CVSS: 6.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

A lack of data validation vulnerability in the HTML export feature in Quill in allows Cross-Site Scripting (XSS). This issue affects Quill: 2.0.3.


Mitigations:

Architectural layers (MAESTRO):