GHSA-X2RG-Q646-7M2V

Vulnerability from github – Published: 2025-04-09 13:00 – Updated: 2025-04-09 20:29
VLAI?
Summary
Koajs vulnerable to Cross-Site Scripting (XSS) at ctx.redirect() function
Details

Summary

In koa < 2.16.1 and < 3.0.0-alpha.5, passing untrusted user input to ctx.redirect() even after sanitizing it, may execute javascript code on the user who use the app.

Patches

This issue is patched in 2.16.1 and 3.0.0-alpha.5.

PoC

Coming soon...

Impact

  1. Redirect user to another phishing site
  2. Make request to another endpoint of the application based on user's cookie
  3. Steal user's cookie
Severity ?
5.0 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "koa"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.16.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "koa"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0-alpha.1"
            },
            {
              "fixed": "3.0.0-alpha.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-32379"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-04-09T13:00:07Z",
    "nvd_published_at": "2025-04-09T16:15:25Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nIn koa \u003c 2.16.1 and \u003c 3.0.0-alpha.5, passing untrusted user input to ctx.redirect() even after sanitizing it, may execute javascript code on the user who use the app.\n\n### Patches\nThis issue is patched in  2.16.1 and 3.0.0-alpha.5.\n\n### PoC\nComing soon...\n\n### Impact\n1. Redirect user to another phishing site\n2. Make request to another endpoint of the application based on user\u0027s cookie\n3. Steal user\u0027s cookie",
  "id": "GHSA-x2rg-q646-7m2v",
  "modified": "2025-04-09T20:29:43Z",
  "published": "2025-04-09T13:00:07Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-32379"
    },
    {
      "type": "WEB",
      "url": "https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/koajs/koa"
    }
  ],
  "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"
    }
  ],
  "summary": "Koajs vulnerable to Cross-Site Scripting (XSS) at ctx.redirect() function"
}


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  • 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.
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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.



Detection rules are retrieved from Rulezet.