GHSA-7CV6-GVX3-M54M

Vulnerability from github – Published: 2017-11-16 01:47 – Updated: 2021-06-11 13:54
VLAI?
Summary
Cross-Site Scripting in keystone
Details

Versions of keystone prior to 4.0.0 are vulnerable to Cross-Site Scripting (XSS). The package fails to properly encode rendered HTML on admin-created blog posts. This allows attackers to execute arbitrary JavaScript in the victim's browser. Exploiting this vulnerability requires having access to an admin account.

Recommendation

Update to version 4.0.0 or later.

Severity ?
4.8 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.0.0-beta6"
      },
      "package": {
        "ecosystem": "npm",
        "name": "keystone"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.0.0-beta7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2017-15881"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:22:30Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "Versions of `keystone` prior to 4.0.0 are vulnerable to Cross-Site Scripting (XSS). The package fails to properly encode rendered HTML on admin-created blog posts. This allows attackers to execute arbitrary JavaScript in the victim\u0027s browser. Exploiting this vulnerability requires having access to an admin account.\n\n\n## Recommendation\n\nUpdate to version 4.0.0 or later.",
  "id": "GHSA-7cv6-gvx3-m54m",
  "modified": "2021-06-11T13:54:39Z",
  "published": "2017-11-16T01:47:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-15881"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keystonejs/keystone/issues/4437"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keystonejs/keystone/pull/4478"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-7cv6-gvx3-m54m"
    },
    {
      "type": "WEB",
      "url": "https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/981"
    },
    {
      "type": "WEB",
      "url": "http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/101541"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cross-Site Scripting in keystone"
}


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  • 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.
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  • 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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