Common Weakness Enumeration

CWE-601

Allowed

URL Redirection to Untrusted Site ('Open Redirect')

Abstraction: Base · Status: Draft

The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

2305 vulnerabilities reference this CWE, most recent first.

GHSA-8QWQ-C4M2-H4XH

Vulnerability from github – Published: 2026-07-14 15:32 – Updated: 2026-07-14 15:32
VLAI
Details

An open redirect in Ivanti Xtraction before version 2026.2.1 allows a remote unauthenticated attacker to redirect users to arbitrary external URLs.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-14902"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-14T15:16:56Z",
    "severity": "MODERATE"
  },
  "details": "An open redirect in Ivanti\u00a0Xtraction\u00a0before\u00a0version\u00a02026.2.1\u00a0allows a remote\u00a0unauthenticated attacker to redirect users to arbitrary external URLs.",
  "id": "GHSA-8qwq-c4m2-h4xh",
  "modified": "2026-07-14T15:32:17Z",
  "published": "2026-07-14T15:32:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-14902"
    },
    {
      "type": "WEB",
      "url": "https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Xtraction-CVE-2026-14902-CVE-2026-14903?language=en_US"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-8R54-HQ49-GQ6M

Vulnerability from github – Published: 2022-05-24 16:44 – Updated: 2024-04-04 00:18
VLAI
Details

An issue was discovered in the Core and Portal modules in Polaris FT Intellect Core Banking 9.7.1. An open redirect exists via a /IntellectMain.jsp?IntellectSystem= URI.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2018-14931"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-04-30T19:29:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in the Core and Portal modules in Polaris FT Intellect Core Banking 9.7.1. An open redirect exists via a /IntellectMain.jsp?IntellectSystem= URI.",
  "id": "GHSA-8r54-hq49-gq6m",
  "modified": "2024-04-04T00:18:36Z",
  "published": "2022-05-24T16:44:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-14931"
    },
    {
      "type": "WEB",
      "url": "https://neetech18.blogspot.com/2019/03/polaris-intellect-core-banking-software_31.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-8R65-M25W-R5XR

Vulnerability from github – Published: 2022-05-24 17:31 – Updated: 2024-11-26 18:38
VLAI
Details

A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting an HTTP request from a user. A successful exploit could allow the attacker to modify the HTTP request to cause the interface to redirect the user to a specific, malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2020-3558"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-10-21T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting an HTTP request from a user. A successful exploit could allow the attacker to modify the HTTP request to cause the interface to redirect the user to a specific, malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.",
  "id": "GHSA-8r65-m25w-r5xr",
  "modified": "2024-11-26T18:38:40Z",
  "published": "2022-05-24T17:31:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-3558"
    },
    {
      "type": "WEB",
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-redirect-NYDuSEQn"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-8RH2-P978-GVCF

Vulnerability from github – Published: 2022-05-17 00:34 – Updated: 2022-05-17 00:34
VLAI
Details

Multiple open redirect vulnerabilities in OpenText Documentum Webtop 6.8.0160.0073 allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a (1) URL in the startat parameter to xda/help/en/default.htm or (2) /%09/ (slash encoded horizontal tab slash) followed by a domain in the redirectUrl parameter to xda/component/virtuallinkconnect.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2017-14525"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-09-28T01:29:00Z",
    "severity": "MODERATE"
  },
  "details": "Multiple open redirect vulnerabilities in OpenText Documentum Webtop 6.8.0160.0073 allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a (1) URL in the startat parameter to xda/help/en/default.htm or (2) /%09/ (slash encoded horizontal tab slash) followed by a domain in the redirectUrl parameter to xda/component/virtuallinkconnect.",
  "id": "GHSA-8rh2-p978-gvcf",
  "modified": "2022-05-17T00:34:48Z",
  "published": "2022-05-17T00:34:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-14525"
    },
    {
      "type": "WEB",
      "url": "https://knowledge.opentext.com/knowledge/llisapi.dll/Open/68982774"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2017/Sep/57"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-8RMM-GM28-PJ8Q

Vulnerability from github – Published: 2024-04-17 17:33 – Updated: 2024-08-29 21:31
VLAI
Summary
Keycloak Cross-site Scripting (XSS) via assertion consumer service URL in SAML POST-binding flow
Details

Keycloak allows arbitrary URLs as SAML Assertion Consumer Service POST Binding URL (ACS), including JavaScript URIs (javascript:).

Allowing JavaScript URIs in combination with HTML forms leads to JavaScript evaluation in the context of the embedding origin on form submission.

Acknowledgements:

Special thanks to Lauritz Holtmann for reporting this issue and helping us improve our project.

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-services"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "22.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-services"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "23.0.0"
            },
            {
              "fixed": "24.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-6717"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-601",
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-17T17:33:04Z",
    "nvd_published_at": "2024-04-25T16:15:10Z",
    "severity": "MODERATE"
  },
  "details": "Keycloak allows arbitrary URLs as SAML Assertion Consumer Service POST Binding URL (ACS), including JavaScript URIs (javascript:).\n\nAllowing JavaScript URIs in combination with HTML forms leads to JavaScript evaluation in the context of the embedding origin on form submission.\n\n#### Acknowledgements:\nSpecial thanks to Lauritz Holtmann for reporting this issue and helping us improve our project.",
  "id": "GHSA-8rmm-gm28-pj8q",
  "modified": "2024-08-29T21:31:02Z",
  "published": "2024-04-17T17:33:04Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-8rmm-gm28-pj8q"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6717"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:1353"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:1867"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:1868"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:2945"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:4057"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-6717"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253952"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Keycloak Cross-site Scripting (XSS) via assertion consumer service URL in SAML POST-binding flow"
}

GHSA-8RPV-957G-66XR

Vulnerability from github – Published: 2022-05-17 01:59 – Updated: 2022-05-17 01:59
VLAI
Details

IBM Emptoris Supplier Lifecycle Management 10.0.x and 10.1.x could allow a remote attacker to conduct phishing attacks, using an open redirect attack. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to spoof the URL displayed to redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain highly sensitive information or conduct further attacks against the victim. IBM X-Force ID: 128173.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2017-1448"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-08-09T18:29:00Z",
    "severity": "MODERATE"
  },
  "details": "IBM Emptoris Supplier Lifecycle Management 10.0.x and 10.1.x could allow a remote attacker to conduct phishing attacks, using an open redirect attack. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to spoof the URL displayed to redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain highly sensitive information or conduct further attacks against the victim. IBM X-Force ID: 128173.",
  "id": "GHSA-8rpv-957g-66xr",
  "modified": "2022-05-17T01:59:09Z",
  "published": "2022-05-17T01:59:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-1448"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/128173"
    },
    {
      "type": "WEB",
      "url": "http://www.ibm.com/support/docview.wss?uid=swg22006854"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/100222"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-8RRR-F77P-65QC

Vulnerability from github – Published: 2022-04-13 00:00 – Updated: 2022-04-21 00:00
VLAI
Details

SAP NetWeaver ABAP Server and ABAP Platform - versions 740, 750, 787, allows an unauthenticated attacker to redirect users to a malicious site due to insufficient URL validation. This could lead to the user being tricked to disclose personal information.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2022-28215"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-12T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "SAP NetWeaver ABAP Server and ABAP Platform - versions 740, 750, 787, allows an unauthenticated attacker to redirect users to a malicious site due to insufficient URL validation. This could lead to the user being tricked to disclose personal information.",
  "id": "GHSA-8rrr-f77p-65qc",
  "modified": "2022-04-21T00:00:54Z",
  "published": "2022-04-13T00:00:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-28215"
    },
    {
      "type": "WEB",
      "url": "https://launchpad.support.sap.com/#/notes/3165333"
    },
    {
      "type": "WEB",
      "url": "https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-8RWP-72PF-CQ9G

Vulnerability from github – Published: 2022-05-24 17:40 – Updated: 2022-05-24 17:40
VLAI
Details

Revive Adserver before 5.1.0 is vulnerable to open redirects via the dest, oadest, and/or ct0 parameters of the lg.php and ck.php delivery scripts. Such open redirects had previously been available by design to allow third party ad servers to track such metrics when delivering ads. However, third party click tracking via redirects is not a viable option anymore, leading to such open redirect functionality being removed and reclassified as a vulnerability.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2021-22873"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-01-26T18:16:00Z",
    "severity": "MODERATE"
  },
  "details": "Revive Adserver before 5.1.0 is vulnerable to open redirects via the `dest`, `oadest`, and/or `ct0` parameters of the lg.php and ck.php delivery scripts. Such open redirects had previously been available by design to allow third party ad servers to track such metrics when delivering ads. However, third party click tracking via redirects is not a viable option anymore, leading to such open redirect functionality being removed and reclassified as a vulnerability.",
  "id": "GHSA-8rwp-72pf-cq9g",
  "modified": "2022-05-24T17:40:20Z",
  "published": "2022-05-24T17:40:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22873"
    },
    {
      "type": "WEB",
      "url": "https://github.com/revive-adserver/revive-adserver/issues/1068"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/1081406"
    },
    {
      "type": "WEB",
      "url": "https://www.revive-adserver.com/security/revive-sa-2021-001"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting-Open-Redirect.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2021/Jan/60"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

GHSA-8RXC-XW2C-R3G9

Vulnerability from github – Published: 2025-10-21 21:33 – Updated: 2025-10-21 21:33
VLAI
Details

Vulnerability in the Oracle Scripting product of Oracle E-Business Suite (component: Miscellaneous). Supported versions that are affected are 12.2.3-12.2.14. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Scripting. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Scripting, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Scripting accessible data as well as unauthorized read access to a subset of Oracle Scripting accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2025-61753"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-21T20:20:51Z",
    "severity": "MODERATE"
  },
  "details": "Vulnerability in the Oracle Scripting product of Oracle E-Business Suite (component: Miscellaneous).  Supported versions that are affected are 12.2.3-12.2.14. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Scripting.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Scripting, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Scripting accessible data as well as  unauthorized read access to a subset of Oracle Scripting accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).",
  "id": "GHSA-8rxc-xw2c-r3g9",
  "modified": "2025-10-21T21:33:43Z",
  "published": "2025-10-21T21:33:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61753"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuoct2025.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-8VG3-PWR6-WHC5

Vulnerability from github – Published: 2023-02-01 18:30 – Updated: 2023-02-09 15:30
VLAI
Details

On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.7, 14.1.x before 14.1.5.3, and all versions of 13.1.x, an open redirect vulnerability exists on virtual servers enabled with a BIG-IP APM access policy. This vulnerability allows an unauthenticated malicious attacker to build an open redirect URI. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2023-22418"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-02-01T18:15:00Z",
    "severity": "MODERATE"
  },
  "details": "On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.7, 14.1.x before 14.1.5.3, and all versions of 13.1.x, an open redirect vulnerability exists on virtual servers enabled with a BIG-IP APM access policy. This vulnerability allows an unauthenticated malicious attacker to build an open redirect URI. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
  "id": "GHSA-8vg3-pwr6-whc5",
  "modified": "2023-02-09T15:30:26Z",
  "published": "2023-02-01T18:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-22418"
    },
    {
      "type": "WEB",
      "url": "https://my.f5.com/manage/s/article/K95503300"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Mitigation MIT-5
Implementation

Strategy: Input Validation

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
  • Use a list of approved URLs or domains to be used for redirection.
Mitigation
Architecture and Design

Use an intermediate disclaimer page that provides the user with a clear warning that they are leaving the current site. Implement a long timeout before the redirect occurs, or force the user to click on the link. Be careful to avoid XSS problems (CWE-79) when generating the disclaimer page.

Mitigation MIT-21.2
Architecture and Design

Strategy: Enforcement by Conversion

  • When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
  • For example, ID 1 could map to "/login.asp" and ID 2 could map to "http://www.example.com/". Features such as the ESAPI AccessReferenceMap [REF-45] provide this capability.
Mitigation
Architecture and Design

Ensure that no externally-supplied requests are honored by requiring that all redirect requests include a unique nonce generated by the application [REF-483]. Be sure that the nonce is not predictable (CWE-330).

Mitigation MIT-6
Architecture and Design Implementation

Strategy: Attack Surface Reduction

  • Understand all the potential areas where untrusted inputs can enter your software: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide data to the application. Remember that such inputs may be obtained indirectly through API calls.
  • Many open redirect problems occur because the programmer assumed that certain inputs could not be modified, such as cookies and hidden form fields.
Mitigation MIT-29
Operation

Strategy: Firewall

Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].

CAPEC-178: Cross-Site Flashing

An attacker is able to trick the victim into executing a Flash document that passes commands or calls to a Flash player browser plugin, allowing the attacker to exploit native Flash functionality in the client browser. This attack pattern occurs where an attacker can provide a crafted link to a Flash document (SWF file) which, when followed, will cause additional malicious instructions to be executed. The attacker does not need to serve or control the Flash document. The attack takes advantage of the fact that Flash files can reference external URLs. If variables that serve as URLs that the Flash application references can be controlled through parameters, then by creating a link that includes values for those parameters, an attacker can cause arbitrary content to be referenced and possibly executed by the targeted Flash application.