{"id":"GHSA-q22j-5r3g-9hmh","aliases":["CVE-2023-44381"],"title":"October CMS safe mode bypass using Page template injection","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"MODERATE","description":"### Impact\n\nAn authenticated backend user with the `editor.cms_pages`, `editor.cms_layouts`, or `editor.cms_partials` permissions who would normally not be permitted to provide PHP code to be executed by the CMS due to `cms.safe_mode` being enabled can craft a special request to include PHP code in the CMS template.\n\nThis is not a problem for anyone who trusts their users with those permissions to usually write & manage PHP within the CMS by not having `cms.safe_mode` enabled. Still, it would be a problem for anyone relying on `cms.safe_mode` to ensure that users with those permissions in production do not have access to write and execute arbitrary PHP.\n\n### Patches\n\nThis issue has been patched in v3.4.15.\n\n### Workarounds\n\nAs a workaround, remove the specified permissions from untrusted users.\n\n### References\n\nCredits to:\n- [Vasiliy Bodrov](https://github.com/whatev3n)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [hello@octobercms.com](mailto:hello@octobercms.com)","severity":"medium","score":4.9,"published":"2023-11-29T21:33:16.000Z","modified":"2023-12-04T15:17:41.000Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"october/system","sources":[{"name":"OSV · GHSA-q22j-5r3g-9hmh","url":"https://osv.dev/vulnerability/GHSA-q22j-5r3g-9hmh"}],"ranges":[{"events":[{"introduced":"3.0.0"},{"fixed":"3.4.15"}],"type":"ECOSYSTEM"}],"versions":[],"fixed":["3.4.15"]}],"sourceAffected":[],"references":["https://github.com/octobercms/october/security/advisories/GHSA-q22j-5r3g-9hmh","https://nvd.nist.gov/vuln/detail/CVE-2023-44381","https://github.com/octobercms/october"],"sources":[{"name":"OSV","id":"GHSA-q22j-5r3g-9hmh","modified":"2023-12-04T15:17:41Z","url":"https://osv.dev/vulnerability/GHSA-q22j-5r3g-9hmh"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","score":4.9}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T23:25:34.350Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}