{"api_version":"1","generated_at":"2026-04-23T07:50:07+00:00","cve":"CVE-2022-35943","urls":{"html":"https://cve.report/CVE-2022-35943","api":"https://cve.report/api/cve/CVE-2022-35943.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-35943","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-35943"},"summary":{"title":"CVE-2022-35943","description":"Shield is an authentication and authorization framework for CodeIgniter 4. This vulnerability may allow [SameSite Attackers](https://canitakeyoursubdomain.name/) to bypass the [CodeIgniter4 CSRF protection](https://codeigniter4.github.io/userguide/libraries/security.html) mechanism with CodeIgniter Shield. For this attack to succeed, the attacker must have direct (or indirect, e.g., XSS) control over a subdomain site (e.g., `https://a.example.com/`) of the target site (e.g., `http://example.com/`). Upgrade to **CodeIgniter v4.2.3 or later** and **Shield v1.0.0-beta.2 or later**. As a workaround: set `Config\\Security::$csrfProtection` to `'session,'`remove old session data right after login (immediately after ID and password match) and regenerate CSRF token right after login (immediately after ID and password match)","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2022-08-12 21:15:00","updated_at":"2022-08-16 16:06:00"},"problem_types":["CWE-352"],"metrics":[],"references":[{"url":"https://jub0bs.com/posts/2021-01-29-great-samesite-confusion","name":"https://jub0bs.com/posts/2021-01-29-great-samesite-confusion","refsource":"MISC","tags":[],"title":"The great SameSite confusion :: jub0bs.com","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://codeigniter4.github.io/userguide/libraries/security.htm","name":"https://codeigniter4.github.io/userguide/libraries/security.htm","refsource":"MISC","tags":[],"title":"Page not found · GitHub Pages","mime":"text/html","httpstatus":"404","archivestatus":"404"},{"url":"https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq","name":"https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq","refsource":"CONFIRM","tags":[],"title":"SameSite Attackers may Bypass the CSRF Protection · Advisory · codeigniter4/shield · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite","name":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite","refsource":"MISC","tags":[],"title":"SameSite cookies - HTTP | MDN","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-35943","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-35943","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"35943","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"codeigniter","cpe5":"codeigniter","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"35943","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"codeigniter","cpe5":"shield","cpe6":"1.0.0","cpe7":"beta","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2022-35943","STATE":"PUBLIC","TITLE":"SameSite may allow cross-site request forgery (CSRF) protection to be bypassed"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"shield","version":{"version_data":[{"version_value":"> 4.3.2, > v1.0.0-beta.2"}]}}]},"vendor_name":"codeigniter4"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Shield is an authentication and authorization framework for CodeIgniter 4. This vulnerability may allow [SameSite Attackers](https://canitakeyoursubdomain.name/) to bypass the [CodeIgniter4 CSRF protection](https://codeigniter4.github.io/userguide/libraries/security.html) mechanism with CodeIgniter Shield. For this attack to succeed, the attacker must have direct (or indirect, e.g., XSS) control over a subdomain site (e.g., `https://a.example.com/`) of the target site (e.g., `http://example.com/`). Upgrade to **CodeIgniter v4.2.3 or later** and **Shield v1.0.0-beta.2 or later**. As a workaround: set `Config\\Security::$csrfProtection` to `'session,'`remove old session data right after login (immediately after ID and password match) and regenerate CSRF token right after login (immediately after ID and password match)"}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-352: Cross-Site Request Forgery (CSRF)"}]}]},"references":{"reference_data":[{"name":"https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq","refsource":"CONFIRM","url":"https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq"},{"name":"https://codeigniter4.github.io/userguide/libraries/security.htm","refsource":"MISC","url":"https://codeigniter4.github.io/userguide/libraries/security.htm"},{"name":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite","refsource":"MISC","url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite"},{"name":"https://jub0bs.com/posts/2021-01-29-great-samesite-confusion","refsource":"MISC","url":"https://jub0bs.com/posts/2021-01-29-great-samesite-confusion"}]},"source":{"advisory":"GHSA-5hm8-vh6r-2cjq","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2022-08-12 21:15:00","lastModifiedDate":"2022-08-16 16:06:00","problem_types":["CWE-352"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:codeigniter:codeigniter:*:*:*:*:*:*:*:*","versionEndExcluding":"4.2.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:codeigniter:shield:1.0.0:beta:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}