GHSA-W3W8-37JV-2C58

Vulnerability from github – Published: 2017-10-24 18:33 – Updated: 2021-09-20 22:34
VLAI
Summary
Cross-Site Scripting in mustache
Details

Versions of mustache prior to 2.2.1 are affected by a cross-site scripting vulnerability when attributes in mustache templates are not quoted.

Example

Template: <a href={{foo}}/>

Input: { 'foo' : 'test.com onload=alert(1)'}

Rendered result: <a href=test.com onload=alert(1)/>

Recommendation

Update to version 2.2.1 or later. Alternatively, ensure that all attributes in hmustache templates are encapsulated with quotes.

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "mustache"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2015-8862"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:59:24Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "Versions of `mustache` prior to 2.2.1 are affected by a cross-site scripting vulnerability when attributes in mustache templates are not quoted.\n\n\n\n### Example\nTemplate:\n```\u003ca href={{foo}}/\u003e```\n\nInput:\n```{ \u0027foo\u0027 : \u0027test.com onload=alert(1)\u0027}```\n\nRendered result:\n```\u003ca href=test.com onload=alert(1)/\u003e```\n\n\n## Recommendation\n\nUpdate to version 2.2.1 or later.\nAlternatively, ensure that all attributes in hmustache templates are encapsulated with quotes.",
  "id": "GHSA-w3w8-37jv-2c58",
  "modified": "2021-09-20T22:34:08Z",
  "published": "2017-10-24T18:33:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-8862"
    },
    {
      "type": "WEB",
      "url": "https://github.com/janl/mustache.js/commit/378bcca8a5cfe4058f294a3dbb78e8755e8e0da5"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-w3w8-37jv-2c58"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/janl/mustache.js"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/62"
    },
    {
      "type": "WEB",
      "url": "https://www.tenable.com/security/tns-2016-18"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/04/20/11"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/96436"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cross-Site Scripting in mustache"
}



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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

Author Source Type Date Other

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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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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