{"id":"CVE-2022-35943","state":"PUBLISHED","title":"SameSite may allow cross-site request forgery (CSRF) protection to be bypassed","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)","publishedAt":"2022-08-12T20:55:10.000Z","updatedAt":"2025-04-22T17:42:18.166Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["codeigniter4 shield"],"affected":[{"vendor":"codeigniter4","product":"shield","versions":[{"version":"> 4.3.2, > v1.0.0-beta.2","status":"affected"}]}],"references":["https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq","https://codeigniter4.github.io/userguide/libraries/security.htm","https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite","https://jub0bs.com/posts/2021-01-29-great-samesite-confusion"],"weaknesses":["CWE-352"],"ingestedAt":"2026-10-29T19:50:17.761Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/35xxx/CVE-2022-35943.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-35943","state":"PUBLISHED","datePublished":"2022-08-12T20:55:10.000Z","dateUpdated":"2025-04-22T17:42:18.166Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2022-07-15T00:00:00.000Z"},"containers":{"cna":{"title":"SameSite may allow cross-site request forgery (CSRF) protection to be bypassed","descriptions":[{"lang":"en","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)"}],"affected":[{"vendor":"codeigniter4","product":"shield","versions":[{"version":"> 4.3.2, > v1.0.0-beta.2","status":"affected"}]}],"references":[{"url":"https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq","tags":["x_refsource_CONFIRM"]},{"url":"https://codeigniter4.github.io/userguide/libraries/security.htm","tags":["x_refsource_MISC"]},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite","tags":["x_refsource_MISC"]},{"url":"https://jub0bs.com/posts/2021-01-29-great-samesite-confusion","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","dateUpdated":"2022-08-12T20:55:10.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa"},"source":{"advisory":"GHSA-5hm8-vh6r-2cjq","discovery":"UNKNOWN"},"x_legacyV4Record":{"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. 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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"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://codeigniter4.github.io/userguide/libraries/security.htm","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://jub0bs.com/posts/2021-01-29-great-samesite-confusion","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T09:51:59.707Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-22T15:45:07.423965Z","id":"CVE-2022-35943","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-22T17:42:18.166Z"}}]}}}