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Description

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.

PUBLISHED Reserved 2025-12-23 | Published 2026-01-13 | Updated 2026-01-13 | Assigner Fluid Attacks




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

Problem types

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Product status

Default status
unaffected

2.0.3
affected

Credits

Cristian Vargas finder

References

fluidattacks.com/advisories/diomedes third-party-advisory

github.com/slab/quill product

cve.org (CVE-2025-15056)

nvd.nist.gov (CVE-2025-15056)

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