GHSA-5634-RV46-48JF

Vulnerability from github – Published: 2020-09-03 17:13 – Updated: 2020-08-31 18:44
VLAI?
Summary
Cross-Site Scripting in bleach
Details

All versions of bleach are vulnerable to Cross-Site Scripting. It is possible to bypass the package's HTML sanitization with payloads such as "<<script><</script>script>alert('xss');</<script><</script>script>" regardless of the passed options. This may allow attackers to execute arbitrary JavaScript in the victim's browser.

Recommendation

No fix is currently available. Consider using an alternative package until a fix is made available.

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "bleach"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-08-31T18:44:51Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "All versions of `bleach` are vulnerable to Cross-Site Scripting. It is possible to bypass the package\u0027s HTML sanitization with payloads such as `\"\u003c\u003cscript\u003e\u003c\u003c/script\u003escript\u003ealert(\u0027xss\u0027);\u003c/\u003cscript\u003e\u003c\u003c/script\u003escript\u003e\"` regardless of the passed options. This may allow attackers to execute arbitrary JavaScript in the victim\u0027s browser.\n\n\n## Recommendation\n\nNo fix is currently available. Consider using an alternative package until a fix is made available.",
  "id": "GHSA-5634-rv46-48jf",
  "modified": "2020-08-31T18:44:51Z",
  "published": "2020-09-03T17:13:45Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/1034"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Cross-Site Scripting in bleach"
}


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Sightings

Author Source Type Date

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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