{"id":"CVE-2023-38499","aliases":["BIT-typo3-2023-38499","EUVD-2023-2092","GHSA-jq6g-4v5m-wm9r"],"status":"published","title":"typo3/cms-core Information Disclosure due to Out-of-scope Site Resolution","description":"TYPO3 is an open source PHP based web content management system. Starting in version 9.4.0 and prior to versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, and 12.4.4, in multi-site scenarios, enumerating the HTTP query parameters `id` and `L` allowed out-of-scope access to rendered content in the website frontend. For instance, this allowed visitors to access content of an internal site by adding handcrafted query parameters to the URL of a site that was publicly available. TYPO3 versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, 12.4.4 fix the problem.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01069,"percentile":0.65063,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2023-07-25T18:25:52Z","modified":"2026-10-28T02:31:05Z","fixes":[{"ecosystem":"Packagist","package":"typo3/cms-core","fixed_in":["9.5.42","10.4.39","11.5.30","12.4.4"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"typo3","fixed_in":["9.5.42","10.4.39","11.5.30","12.4.4"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.4.0"},{"fixed":"9.5.42"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.0.0"},{"fixed":"10.4.39"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.5.30"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.4.4"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"typo3","ranges":[{"type":"SEMVER","events":[{"introduced":"9.4.0"},{"fixed":"9.5.42"},{"introduced":"10.0.0"},{"fixed":"10.4.39"},{"introduced":"11.0.0"},{"fixed":"11.5.30"},{"introduced":"12.0.0"},{"fixed":"12.4.4"}]}]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.4.0"},{"fixed":"9.5.42"}]}],"versions":["v9.4.0","v9.5.0","v9.5.1","v9.5.10","v9.5.11","v9.5.12","v9.5.13","v9.5.14","v9.5.15","v9.5.16","v9.5.17","v9.5.18","v9.5.19","v9.5.2","v9.5.20","v9.5.21","v9.5.22","v9.5.23","v9.5.24","v9.5.25","v9.5.26","v9.5.27","v9.5.28","v9.5.29","v9.5.3","v9.5.30","v9.5.31","v9.5.4","v9.5.5","v9.5.6","v9.5.7","v9.5.8","v9.5.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.0.0"},{"fixed":"10.4.39"}]}],"versions":["v10.0.0","v10.1.0","v10.2.0","v10.2.1","v10.2.2","v10.3.0","v10.4.0","v10.4.1","v10.4.10","v10.4.11","v10.4.12","v10.4.13","v10.4.14","v10.4.15","v10.4.16","v10.4.17","v10.4.18","v10.4.19","v10.4.2","v10.4.20","v10.4.21","v10.4.22","v10.4.23","v10.4.24","v10.4.25","v10.4.26","v10.4.27","v10.4.28","v10.4.29","v10.4.3","v10.4.30","v10.4.31","v10.4.32","v10.4.33","v10.4.34","v10.4.36","v10.4.37","v10.4.4","v10.4.5","v10.4.6","v10.4.7","v10.4.8","v10.4.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.5.30"}]}],"versions":["v11.0.0","v11.1.0","v11.1.1","v11.2.0","v11.3.0","v11.3.1","v11.3.2","v11.3.3","v11.4.0","v11.5.0","v11.5.1","v11.5.10","v11.5.11","v11.5.12","v11.5.13","v11.5.14","v11.5.15","v11.5.16","v11.5.17","v11.5.18","v11.5.19","v11.5.2","v11.5.20","v11.5.21","v11.5.22","v11.5.23","v11.5.24","v11.5.25","v11.5.26","v11.5.27","v11.5.28","v11.5.29","v11.5.3","v11.5.4","v11.5.5","v11.5.6","v11.5.7","v11.5.8","v11.5.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.4.4"}]}],"versions":["v12.0.0","v12.1.0","v12.1.1","v12.1.2","v12.1.3","v12.2.0","v12.3.0","v12.4.0","v12.4.1","v12.4.2","v12.4.3"]}],"products":[{"vendor":"typo3","product":"typo3"}],"references":[{"url":"https://github.com/TYPO3/typo3/security/advisories/GHSA-jq6g-4v5m-wm9r","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://github.com/TYPO3/typo3/commit/702e2debd4b28f9cdb540544565fe6a8627ccb6a","tags":["x_refsource_MISC","x_transferred","Patch","web","fix"]},{"url":"https://typo3.org/security/advisory/typo3-core-sa-2023-003","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38499","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jq6g-4v5m-wm9r"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/38xxx/CVE-2023-38499.json","tags":["advisory"]},{"url":"https://github.com/TYPO3/typo3","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-38499","title":"typo3/cms-core Information Disclosure due to Out-of-scope Site Resolution","description":"TYPO3 is an open source PHP based web content management system. Starting in version 9.4.0 and prior to versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, and 12.4.4, in multi-site scenarios, enumerating the HTTP query parameters `id` and `L` allowed out-of-scope access to rendered content in the website frontend. For instance, this allowed visitors to access content of an internal site by adding handcrafted query parameters to the URL of a site that was publicly available. TYPO3 versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, 12.4.4 fix the problem.","status":"published","published":"2023-07-25T20:54:41.648Z","modified":"2024-10-15T18:40:37.114Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:35:29.772612Z"}],"euvd":[{"id":"EUVD-2023-2092","description":"TYPO3 is an open source PHP based web content management system. Starting in version 9.4.0 and prior to versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, and 12.4.4, in multi-site scenarios, enumerating the HTTP query parameters `id` and `L` allowed out-of-scope access to rendered content in the website frontend. For instance, this allowed visitors to access content of an internal site by adding handcrafted query parameters to the URL of a site that was publicly available. TYPO3 versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, 12.4.4 fix the problem.","status":"published","published":"2023-07-25T20:54:41Z","modified":"2024-10-15T18:40:37Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T00:27:36.689661Z"}],"ghsa":[{"id":"GHSA-jq6g-4v5m-wm9r","title":"Information Disclosure due to Out-of-scope Site Resolution","description":"\u003e ### CVSS: `CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C` (3.5)\n\n### Problem\nIn multi-site scenarios, enumerating the HTTP query parameters `id` and `L` allowed out-of-scope access to rendered content in the website frontend. For instance, this allowed visitors to access content of an internal site by adding handcrafted query parameters to the URL of a site that was publicly available.\n\n### Solution\nUpdate to TYPO3 versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, 12.4.4 that fix the problem described above.\n\n\u003e ℹ️ **Strong security defaults - Manual actions required**\n\u003e Resolving sites by the `id` and `L` HTTP query parameters is now denied per default. However, it is still allowed to resolve a particular page by e.g. `https://example.org/?id=123\u0026L=0` - as long as the `page-id 123` is in the scope of the site configured for the `base-url example.org`.\n\u003e The new feature flag `security.frontend.allowInsecureSiteResolutionByQueryParameters` - which is disabled per default - can be used to reactivate the previous behavior.\n\n### Credits\nThanks to Garvin Hicking who reported this issue, and to TYPO3 core \u0026 security team members Oliver Hader and Benjamin Franzke who fixed the issue.\n\n### References\n* [TYPO3-CORE-SA-2023-003](https://typo3.org/security/advisory/typo3-core-sa-2023-003)\n","status":"published","published":"2023-07-25T18:25:52Z","modified":"2023-11-05T05:00:46Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:37:12.407027Z"}],"nvd":[{"id":"CVE-2023-38499","description":"TYPO3 is an open source PHP based web content management system. Starting in version 9.4.0 and prior to versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, and 12.4.4, in multi-site scenarios, enumerating the HTTP query parameters `id` and `L` allowed out-of-scope access to rendered content in the website frontend. For instance, this allowed visitors to access content of an internal site by adding handcrafted query parameters to the URL of a site that was publicly available. TYPO3 versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, 12.4.4 fix the problem.","status":"published","published":"2023-07-25T21:15:10.997Z","modified":"2026-06-17T06:10:35.443Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:08:18.687088Z"}],"osv":[{"id":"CVE-2023-38499","title":"typo3/cms-core Information Disclosure due to Out-of-scope Site Resolution","description":"TYPO3 is an open source PHP based web content management system. Starting in version 9.4.0 and prior to versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, and 12.4.4, in multi-site scenarios, enumerating the HTTP query parameters `id` and `L` allowed out-of-scope access to rendered content in the website frontend. For instance, this allowed visitors to access content of an internal site by adding handcrafted query parameters to the URL of a site that was publicly available. TYPO3 versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, 12.4.4 fix the problem.","status":"published","published":"2023-07-25T20:54:41.648Z","modified":"2026-10-28T02:31:05.750665964Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:44:32.922049Z"},{"id":"GHSA-jq6g-4v5m-wm9r","title":"Information Disclosure due to Out-of-scope Site Resolution","description":"\u003e ### CVSS: `CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C` (3.5)\n\n### Problem\nIn multi-site scenarios, enumerating the HTTP query parameters `id` and `L` allowed out-of-scope access to rendered content in the website frontend. For instance, this allowed visitors to access content of an internal site by adding handcrafted query parameters to the URL of a site that was publicly available.\n\n### Solution\nUpdate to TYPO3 versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, 12.4.4 that fix the problem described above.\n\n\u003e ℹ️ **Strong security defaults - Manual actions required**\n\u003e Resolving sites by the `id` and `L` HTTP query parameters is now denied per default. However, it is still allowed to resolve a particular page by e.g. `https://example.org/?id=123\u0026L=0` - as long as the `page-id 123` is in the scope of the site configured for the `base-url example.org`.\n\u003e The new feature flag `security.frontend.allowInsecureSiteResolutionByQueryParameters` - which is disabled per default - can be used to reactivate the previous behavior.\n\n### Credits\nThanks to Garvin Hicking who reported this issue, and to TYPO3 core \u0026 security team members Oliver Hader and Benjamin Franzke who fixed the issue.\n\n### References\n* [TYPO3-CORE-SA-2023-003](https://typo3.org/security/advisory/typo3-core-sa-2023-003)\n","status":"published","published":"2023-07-25T18:25:52Z","modified":"2024-02-16T08:13:58.146663Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:50.687609Z"},{"id":"BIT-typo3-2023-38499","description":"TYPO3 is an open source PHP based web content management system. Starting in version 9.4.0 and prior to versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, and 12.4.4, in multi-site scenarios, enumerating the HTTP query parameters `id` and `L` allowed out-of-scope access to rendered content in the website frontend. For instance, this allowed visitors to access content of an internal site by adding handcrafted query parameters to the URL of a site that was publicly available. TYPO3 versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, 12.4.4 fix the problem.","status":"published","published":"2024-03-06T11:08:03.193Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:36.104787Z"}]}}