FKIE_CVE-2026-23769

Vulnerability from fkie_nvd - Published: 2026-01-16 06:15 - Updated: 2026-06-17 10:22
Severity
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
lucy-xss-filter before commit e5826c0 allows an attacker to execute malicious JavaScript due to improper sanitization caused by misconfigured default superset rule files.
References
cve@navercorp.comhttps://cve.naver.com/detail/cve-2026-23769.htmlVendor Advisory
cve@navercorp.comhttps://github.com/naver/lucy-xss-filter/pull/32Patch
Impacted products
Vendor Product Version
naver lucy-xss-filter *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "lucy-xss-filter",
          "repo": "https://github.com/naver/lucy-xss-filter",
          "vendor": "NAVER",
          "versions": [
            {
              "status": "unaffected",
              "version": "e5826c0d26b4f546955279767bbe94e5c7ed3f15",
              "versionType": "git"
            }
          ]
        }
      ],
      "source": "cve@navercorp.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:naver:lucy-xss-filter:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE152946-8B7E-490F-986A-D584F6CC5D4D",
              "versionEndExcluding": "2025-06-08",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [
    {
      "sourceIdentifier": "cve@navercorp.com",
      "tags": [
        "unsupported-when-assigned"
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "lucy-xss-filter before commit e5826c0 allows an attacker to execute malicious JavaScript due to improper sanitization caused by misconfigured default superset rule files."
    },
    {
      "lang": "es",
      "value": "lucy-xss-filter antes del commit e5826c0 permite a un atacante ejecutar JavaScript malicioso debido a una sanitizaci\u00f3n incorrecta causada por archivos de reglas de superconjunto predeterminados mal configurados."
    }
  ],
  "id": "CVE-2026-23769",
  "lastModified": "2026-06-17T10:22:05.100",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-23769",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-01-16T14:05:44.631261Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-01-16T06:15:51.483",
  "references": [
    {
      "source": "cve@navercorp.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://cve.naver.com/detail/cve-2026-23769.html"
    },
    {
      "source": "cve@navercorp.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/naver/lucy-xss-filter/pull/32"
    }
  ],
  "sourceIdentifier": "cve@navercorp.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "cve@navercorp.com",
      "type": "Secondary"
    }
  ]
}



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