{"id":"CVE-2023-48707","aliases":["EUVD-2023-3035","GHSA-v427-c49j-8w6x"],"status":"published","title":"Cleartext Storage of Sensitive Information in codeigniter4/shield","description":"CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. The `secretKey` value is an important key for HMAC SHA256 authentication and in affected versions was stored in the database in cleartext form. If a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that corresponding user. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00284,"percentile":0.21027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-312"],"published":"2023-11-23T00:28:14Z","modified":"2026-10-28T02:31:02Z","fixes":[{"ecosystem":"Packagist","package":"codeigniter4/shield","fixed_in":["1.0.0-beta.8"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"codeigniter4/shield","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0-beta.8"}]}]},{"source":"osv","ecosystem":"Packagist","package":"codeigniter4/shield","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0-beta.8"}]}],"versions":["v1.0.0-beta","v1.0.0-beta.2","v1.0.0-beta.3","v1.0.0-beta.4","v1.0.0-beta.5","v1.0.0-beta.6","v1.0.0-beta.7"]}],"products":[{"vendor":"codeigniter","product":"shield"},{"vendor":"codeigniter4","product":"shield"}],"references":[{"url":"https://github.com/codeigniter4/shield/security/advisories/GHSA-v427-c49j-8w6x","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/codeigniter4/shield/commit/f77c6ae20275ac1245330a2b9a523bf7e6f6202f","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48707","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-v427-c49j-8w6x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48707.json","tags":["advisory"]},{"url":"https://github.com/codeigniter4/shield","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-48707","title":"Cleartext Storage of Sensitive Information in codeigniter4/shield","description":"CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. The `secretKey` value is an important key for HMAC SHA256 authentication and in affected versions was stored in the database in cleartext form. If a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that corresponding user. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-11-24T17:23:34.798Z","modified":"2024-08-02T21:37:54.651Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:35:25.866071Z"}],"euvd":[{"id":"EUVD-2023-3035","description":"CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. The `secretKey` value is an important key for HMAC SHA256 authentication and in affected versions was stored in the database in cleartext form. If a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that corresponding user. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-11-24T17:23:34Z","modified":"2024-08-02T21:37:54Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:49:56.839036Z"}],"ghsa":[{"id":"GHSA-v427-c49j-8w6x","title":"Cleartext Storage of Sensitive Information in HMAC SHA256 Authentication","description":"### Impact\n**secretKey**, an important key for HMAC SHA256 authentication, was stored in the database in raw form.\n\nIf a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that person.\n\n### Patches\nUpgrade to Shield v1.0.0-beta.8 or later.\n\nAfter upgrading, all existing secret keys must be encrypted.\nSee https://github.com/codeigniter4/shield/blob/develop/UPGRADING.md for details.\n\n### Workarounds\nNone.\n\n### References\n- https://codeigniter4.github.io/shield/references/authentication/hmac/\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue or discussion in [codeigniter4/shield](https://github.com/codeigniter4/shield)\n* Email us at [security@codeigniter.com](mailto:security@codeigniter.com)\n","status":"published","published":"2023-11-23T00:28:14Z","modified":"2023-11-27T21:44:38Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:37:22.840002Z"}],"nvd":[{"id":"CVE-2023-48707","description":"CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. The `secretKey` value is an important key for HMAC SHA256 authentication and in affected versions was stored in the database in cleartext form. If a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that corresponding user. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-11-24T18:15:07.327Z","modified":"2026-06-17T06:34:48.93Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:08:49.393375Z"}],"osv":[{"id":"CVE-2023-48707","title":"Cleartext Storage of Sensitive Information in codeigniter4/shield","description":"CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. The `secretKey` value is an important key for HMAC SHA256 authentication and in affected versions was stored in the database in cleartext form. If a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that corresponding user. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-11-24T17:23:34.798Z","modified":"2026-10-28T02:31:02.316146724Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T15:44:34.72355Z"},{"id":"GHSA-v427-c49j-8w6x","title":"Cleartext Storage of Sensitive Information in HMAC SHA256 Authentication","description":"### Impact\n**secretKey**, an important key for HMAC SHA256 authentication, was stored in the database in raw form.\n\nIf a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that person.\n\n### Patches\nUpgrade to Shield v1.0.0-beta.8 or later.\n\nAfter upgrading, all existing secret keys must be encrypted.\nSee https://github.com/codeigniter4/shield/blob/develop/UPGRADING.md for details.\n\n### Workarounds\nNone.\n\n### References\n- https://codeigniter4.github.io/shield/references/authentication/hmac/\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue or discussion in [codeigniter4/shield](https://github.com/codeigniter4/shield)\n* Email us at [security@codeigniter.com](mailto:security@codeigniter.com)\n","status":"published","published":"2023-11-23T00:28:14Z","modified":"2026-09-10T03:49:59.131615068Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T15:46:56.639206Z"}]}}