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

Vulnerability from cvelistv5 – Published: 2026-01-13 20:39 – Updated: 2026-01-13 21:27
VLAI?
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
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
Impacted products
Vendor Product Version
Slab Quill Affected: 2.0.3
Create a notification for this product.
Credits
Cristian Vargas
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-15056",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-13T21:27:41.232640Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-13T21:27:56.936Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://registry.npmjs.org",
          "defaultStatus": "unaffected",
          "packageName": "quill",
          "platforms": [
            "Linux",
            "MacOS",
            "Windows"
          ],
          "product": "Quill",
          "vendor": "Slab",
          "versions": [
            {
              "status": "affected",
              "version": "2.0.3"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:slab:quill:2.0.3:*:linux:*:*:*:*:*",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:slab:quill:2.0.3:*:macos:*:*:*:*:*",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:slab:quill:2.0.3:*:windows:*:*:*:*:*",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Cristian Vargas"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA lack of data validation vulnerability in the HTML export feature in Quill in allows Cross-Site Scripting (XSS).\u003c/p\u003e\u003cp\u003eThis issue affects Quill: 2.0.3.\u003c/p\u003e"
            }
          ],
          "value": "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."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-63",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-63 Cross-Site Scripting (XSS)"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "LOW",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-13T20:39:36.625Z",
        "orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
        "shortName": "Fluid Attacks"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://fluidattacks.com/advisories/diomedes"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/slab/quill"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Quill 2.0.3 - Lack of data validation in HTML export allowing XSS",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
    "assignerShortName": "Fluid Attacks",
    "cveId": "CVE-2025-15056",
    "datePublished": "2026-01-13T20:39:29.627Z",
    "dateReserved": "2025-12-23T18:21:36.039Z",
    "dateUpdated": "2026-01-13T21:27:56.936Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-15056\",\"sourceIdentifier\":\"help@fluidattacks.com\",\"published\":\"2026-01-13T21:15:49.720\",\"lastModified\":\"2026-01-14T16:25:40.430\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"help@fluidattacks.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":5.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"ACTIVE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"LOW\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"help@fluidattacks.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-74\"}]}],\"references\":[{\"url\":\"https://fluidattacks.com/advisories/diomedes\",\"source\":\"help@fluidattacks.com\"},{\"url\":\"https://github.com/slab/quill\",\"source\":\"help@fluidattacks.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-15056\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-13T21:27:41.232640Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-13T21:27:50.983Z\"}}], \"cna\": {\"title\": \"Quill 2.0.3 - Lack of data validation in HTML export allowing XSS\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Cristian Vargas\"}], \"impacts\": [{\"capecId\": \"CAPEC-63\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-63 Cross-Site Scripting (XSS)\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 5.1, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"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\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"ACTIVE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"LOW\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Slab\", \"product\": \"Quill\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.0.3\"}], \"platforms\": [\"Linux\", \"MacOS\", \"Windows\"], \"packageName\": \"quill\", \"collectionURL\": \"https://registry.npmjs.org\", \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://fluidattacks.com/advisories/diomedes\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/slab/quill\", \"tags\": [\"product\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eA lack of data validation vulnerability in the HTML export feature in Quill in allows Cross-Site Scripting (XSS).\u003c/p\u003e\u003cp\u003eThis issue affects Quill: 2.0.3.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-74\", \"description\": \"CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:slab:quill:2.0.3:*:linux:*:*:*:*:*\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:slab:quill:2.0.3:*:macos:*:*:*:*:*\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:slab:quill:2.0.3:*:windows:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"84fe0718-d6bb-4716-a7e8-81a6d1daa869\", \"shortName\": \"Fluid Attacks\", \"dateUpdated\": \"2026-01-13T20:39:36.625Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-15056\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-13T21:27:56.936Z\", \"dateReserved\": \"2025-12-23T18:21:36.039Z\", \"assignerOrgId\": \"84fe0718-d6bb-4716-a7e8-81a6d1daa869\", \"datePublished\": \"2026-01-13T20:39:29.627Z\", \"assignerShortName\": \"Fluid Attacks\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.