CVE-2025-15056

MEDIUMNVD 6.16.1—

6.1

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.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 20.9%
KEV: Not listed

Published

January 13, 2026

Last Modified

April 20, 2026

References (2)

help@fluidattackshttps://fluidattacks.com/advisories/diomedes
help@fluidattackshttps://github.com/slab/quill

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
npm	quill	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
quill	2.0.3	—	—

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 16:56 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-21 22:42 UTCepss_batch
2026-05-21 00:52 UTCEG score recompute
2026-05-21 00:52 UTCGHSA enrichment
2026-05-20 22:37 UTCepss_batch

Frequently asked(5)

What is CVE-2025-15056?

CVE-2025-15056 is a medium vulnerability published on January 13, 2026. 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.

When was CVE-2025-15056 disclosed?

CVE-2025-15056 was first published in the National Vulnerability Database on January 13, 2026, with the most recent update on April 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-15056 actively exploited?

CVE-2025-15056 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-15056?

CVE-2025-15056 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2025-15056?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-15056, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-15056

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