cve-2025-55166
Vulnerability from cvelistv5
Published
2025-08-12 16:25
Modified
2025-08-12 17:48
Summary
svg-sanitizer By-Passing Attribute Sanitization
Impacted products
darylldoylesvg-sanitizer
Show details on NVD website


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                "id": "CVE-2025-55166",
                "options": [
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                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2025-08-12T17:47:50.627813Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2025-08-12T17:48:05.000Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
      "affected": [
        {
          "product": "svg-sanitizer",
          "vendor": "darylldoyle",
          "versions": [
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              "status": "affected",
              "version": "\u003c 0.22.0"
            }
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      "descriptions": [
        {
          "lang": "en",
          "value": "savg-sanitizer is a PHP SVG/XML sanitizer. Prior to version 0.22.0, the sanitization logic in the cleanXlinkHrefs method only searches for lower-case attribute name, which allows to by-pass the isHrefSafeValue check. As a result this allows cross-site scripting or linking to external domains. This issue has been patched in version 0.22.0."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW"
          }
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
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          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-601",
              "description": "CWE-601: URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-12T16:25:17.220Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-22wq-q86m-83fh",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-22wq-q86m-83fh"
        },
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          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/darylldoyle/svg-sanitizer/commit/5a0a1eaf0c6b0b540dc945fe30c93cf106b357c1"
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      "source": {
        "advisory": "GHSA-22wq-q86m-83fh",
        "discovery": "UNKNOWN"
      },
      "title": "svg-sanitizer By-Passing Attribute Sanitization"
    }
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    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-55166",
    "datePublished": "2025-08-12T16:25:17.220Z",
    "dateReserved": "2025-08-07T18:27:23.307Z",
    "dateUpdated": "2025-08-12T17:48:05.000Z",
    "state": "PUBLISHED"
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.