Vulnerability-Lookup

GHSA-X2RG-Q646-7M2V

Vulnerability from github – Published: 2025-04-09 13:00 – Updated: 2025-04-09 20:29

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

Redirect user to another phishing site
Make request to another endpoint of the application based on user's cookie
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

JSON

To clipboard

{
  "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"
}

CVE-2025-32379 (GCVE-0-2025-32379)

Vulnerability from cvelistv5 – Published: 2025-04-09 15:56 – Updated: 2025-04-09 20:45

Title

XSS at ctx.redirect() function in Koajs

Summary

Koa is expressive middleware for Node.js using ES2017 async functions. 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. This issue is patched in 2.16.1 and 3.0.0-alpha.5.

Severity

5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-09 17:29 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7774 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/koajs/koa/security/advisories/…	x_refsource_CONFIRM
https://github.com/koajs/koa/commit/ff25eb4a7f239…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
koajs	koa	Affected: >= 3.0.0-alpha.0, < 3.0.0-alpha.5 Affected: < 2.16.1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-32379",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-09T17:29:51.749257Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-09T20:45:15.899Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "koa",
          "vendor": "koajs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 3.0.0-alpha.0, \u003c 3.0.0-alpha.5"
            },
            {
              "status": "affected",
              "version": "\u003c 2.16.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Koa is expressive middleware for Node.js using ES2017 async functions. In 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. This issue is patched in 2.16.1 and 3.0.0-alpha.5."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-04-09T15:56:40.574Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/koajs/koa/security/advisories/GHSA-x2rg-q646-7m2v"
        },
        {
          "name": "https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/koajs/koa/commit/ff25eb4a7f2392df46481fe86355161067687312"
        }
      ],
      "source": {
        "advisory": "GHSA-x2rg-q646-7m2v",
        "discovery": "UNKNOWN"
      },
      "title": "XSS at ctx.redirect() function in Koajs"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-32379",
    "datePublished": "2025-04-09T15:56:40.574Z",
    "dateReserved": "2025-04-06T19:46:02.462Z",
    "dateUpdated": "2025-04-09T20:45:15.899Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Action not permitted

GHSA-X2RG-Q646-7M2V

Summary

Patches

PoC

Impact

CVE-2025-32379 (GCVE-0-2025-32379)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour