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CVE-2023-49146

Status: ModifiedMedium (6.1)—

DOMSanitizer (aka dom-sanitizer) before 1.0.7 allows XSS via an SVG document because of mishandling of comments and greedy regular expressions.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Getgrav — Dom-sanitizer

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-49146",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-11-22T22:15:08.913",
  "references": [
    {
      "url": "https://github.com/rhukster/dom-sanitizer/commit/c2a98f27ad742668b254282ccc5581871d0fb601",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/rhukster/dom-sanitizer/compare/1.0.6...1.0.7",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/rhukster/dom-sanitizer/commit/c2a98f27ad742668b254282ccc5581871d0fb601",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/rhukster/dom-sanitizer/compare/1.0.6...1.0.7",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "DOMSanitizer (aka dom-sanitizer) before 1.0.7 allows XSS via an SVG document because of mishandling of comments and greedy regular expressions."
    },
    {
      "lang": "es",
      "value": "DOMSanitizer (también conocido como dom-sanitizer) anterior a 1.0.7 permite XSS a través de un documento SVG debido al mal manejo de comentarios y expresiones regulares codiciosas."
    }
  ],
  "lastModified": "2026-06-17T06:35:28.090",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:getgrav:dom-sanitizer:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FA35D565-AD11-4221-8C23-F9ED43C8DFEB",
              "versionEndExcluding": "1.0.7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}