FKIE_CVE-2016-6334

Vulnerability from fkie_nvd - Published: 2017-04-20 17:59 - Updated: 2026-05-13 00:24
Severity
6.1 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Cross-site scripting (XSS) vulnerability in the Parser::replaceInternalLinks2 method in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to inject arbitrary web script or HTML via vectors involving replacement of percent encoding in unclosed internal links.
References
secalert@redhat.comhttp://www.securityfocus.com/bid/98057
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1369613Issue Tracking
secalert@redhat.comhttps://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.htmlMailing List, Patch, Vendor Advisory
secalert@redhat.comhttps://phabricator.wikimedia.org/T137264Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/98057
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1369613Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.htmlMailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://phabricator.wikimedia.org/T137264Patch, Third Party Advisory
Impacted products
Vendor Product Version
mediawiki mediawiki *
mediawiki mediawiki 1.26.0
mediawiki mediawiki 1.26.1
mediawiki mediawiki 1.26.2
mediawiki mediawiki 1.26.3
mediawiki mediawiki 1.26.4
mediawiki mediawiki 1.27.0
To clipboard 

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  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-site scripting (XSS) vulnerability in the Parser::replaceInternalLinks2 method in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to inject arbitrary web script or HTML via vectors involving replacement of percent encoding in unclosed internal links."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de XSS en el m\u00e9todo de Parser::replaceInternalLinks2 en MediaWiki en versiones anterior a 1.23.15, 1.26.x en versiones anterior a 1.26.4, y 1.27.x en versiones anterior a 1.27.1 permite a atacantes remotos inyectar secuencias de comandos web o HTML arbitrarios a trav\u00e9s de vectores incluyendo el reemplazo de porcentaje de codificaci\u00f3n en enlaces internos no cerrados."
    }
  ],
  "id": "CVE-2016-6334",
  "lastModified": "2026-05-13T00:24:29.033",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
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        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
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          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
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          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.0"
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        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2017-04-20T17:59:00.663",
  "references": [
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      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/98057"
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      "tags": [
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


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