GHSA-QW6H-VGH9-J6WX

Vulnerability from github – Published: 2024-09-10 19:41 – Updated: 2024-11-18 16:27
VLAI?
Summary
express vulnerable to XSS via response.redirect()
Details

Impact

In express <4.20.0, passing untrusted user input - even after sanitizing it - to response.redirect() may execute untrusted code

Patches

this issue is patched in express 4.20.0

Workarounds

users are encouraged to upgrade to the patched version of express, but otherwise can workaround this issue by making sure any untrusted inputs are safe, ideally by validating them against an explicit allowlist

Details

successful exploitation of this vector requires the following:

  1. The attacker MUST control the input to response.redirect()
  2. express MUST NOT redirect before the template appears
  3. the browser MUST NOT complete redirection before:
  4. the user MUST click on the link in the template
Severity ?
5.0 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
2.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "express"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.20.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "express"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.0.0-alpha.1"
            },
            {
              "fixed": "5.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-43796"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-09-10T19:41:04Z",
    "nvd_published_at": "2024-09-10T15:15:17Z",
    "severity": "LOW"
  },
  "details": "### Impact\n\nIn express \u003c4.20.0, passing untrusted user input - even after sanitizing it - to `response.redirect()` may execute untrusted code\n\n### Patches\n\nthis issue is patched in express 4.20.0\n\n### Workarounds\n\nusers are encouraged to upgrade to the patched version of express, but otherwise can workaround this issue by making sure any untrusted inputs are safe, ideally by validating them against an explicit allowlist\n\n### Details\n\nsuccessful exploitation of this vector requires the following:\n\n1. The attacker MUST control the input to response.redirect()\n1. express MUST NOT redirect before the template appears\n1. the browser MUST NOT complete redirection before:\n1. the user MUST click on the link in the template\n",
  "id": "GHSA-qw6h-vgh9-j6wx",
  "modified": "2024-11-18T16:27:11Z",
  "published": "2024-09-10T19:41:04Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/expressjs/express/security/advisories/GHSA-qw6h-vgh9-j6wx"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-43796"
    },
    {
      "type": "WEB",
      "url": "https://github.com/expressjs/express/commit/54271f69b511fea198471e6ff3400ab805d6b553"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/expressjs/express"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L",
      "type": "CVSS_V4"
    }
  ],
  "summary": "express vulnerable to XSS via response.redirect()"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.