Vulnerability-Lookup

CVE-2025-15056 (GCVE-0-2025-15056)

Vulnerability from cvelistv5 – Published: 2026-01-13 20:39 – Updated: 2026-04-20 14:10

Title

Quill 2.0.3 - Lack of data validation in HTML export allowing XSS

Summary

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.

Severity

5.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-13 21:27 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Assigner

Fluid Attacks

References

2 references

URL	Tags
https://fluidattacks.com/advisories/diomedes	third-party-advisory
https://github.com/slab/quill	product

Impacted products

1 product

Vendor	Product	Version	CPE status
Slab	Quill	Affected: 2.0.3 cpe:2.3:a:slab:quill:2.0.3::linux::::: cpe:2.3:a:slab:quill:2.0.3::macos::::: cpe:2.3:a:slab:quill:2.0.3::windows:::::

Credits

Cristian Vargas

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-15056

Vulnerability from fkie_nvd - Published: 2026-01-13 21:15 - Updated: 2026-06-17 08:37

Severity

6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Summary

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.

References

	URL	Tags
	help@fluidattacks.com	https://fluidattacks.com/advisories/diomedes	Exploit, Third Party Advisory
	help@fluidattacks.com	https://github.com/slab/quill	Product

Impacted products

	Vendor	Product	Version
	slab	quill	2.0.3

JSON

To clipboard

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        }
      ],
      "source": "nvd@nist.gov",
      "type": "Secondary"
    }
  ]
}

GHSA-V3M3-F69X-JF25

Vulnerability from github – Published: 2026-01-13 21:31 – Updated: 2026-04-10 19:34

Summary

Quill is vulnerable to XSS via HTML export feature

Details

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.

Severity

6.1 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

2.0 (Low)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "quill"
      },
      "versions": [
        "2.0.3"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-15056"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-74",
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-16T16:58:02Z",
    "nvd_published_at": "2026-01-13T21:15:49Z",
    "severity": "LOW"
  },
  "details": "A lack of data validation vulnerability in the HTML export feature in Quill in allows Cross-Site Scripting (XSS).\n\nThis issue affects Quill: 2.0.3.",
  "id": "GHSA-v3m3-f69x-jf25",
  "modified": "2026-04-10T19:34:23Z",
  "published": "2026-01-13T21:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15056"
    },
    {
      "type": "WEB",
      "url": "https://fluidattacks.com/advisories/diomedes"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/slab/quill"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Quill is vulnerable to XSS via HTML export feature"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-15056 (GCVE-0-2025-15056)

FKIE_CVE-2025-15056

GHSA-V3M3-F69X-JF25

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Sightings

Nomenclature

Related by attack behaviour