GHSA-C5C6-37VQ-PJCQ baserCMS Path Traversal Leads to Arbitrary File Write and RCE via Theme File API

Summary A path traversal vulnerability exists in the baserCMS 5.x theme file management API /baser/api/admin/bc-theme-file/themefiles/add.json that allows arbitrary file write. An authenticated administrator can include ../ sequences in the path parameter to create a PHP file in an arbitrary...

baserCMS Path Traversal Leads to Arbitrary File Write and RCE via Theme File API

Summary A path traversal vulnerability exists in the baserCMS 5.x theme file management API /baser/api/admin/bc-theme-file/themefiles/add.json that allows arbitrary file write. An authenticated administrator can include ../ sequences in the path parameter to create a PHP file in an arbitrary...

EUVD-2026-17267

baserCMS Path Traversal Leads to Arbitrary File Write and RCE via Theme File API...

Directory Traversal

Overview baserproject/basercms is a Content management system based on CakePHP. Affected versions of this package are vulnerable to Directory Traversal via the theme file management API when an authenticated administrator supplies crafted input to the path parameter. An attacker can write arbitra...

CVE-2026-30940

baserCMS is a website development framework. Prior to version 5.2.3, a path traversal vulnerability exists in the theme file management API /baser/api/admin/bc-theme-file/themefiles/add.json that allows arbitrary file write. An authenticated administrator can include ../ sequences in the path...

CVE-2026-30940 baserCMS: Path Traversal in Theme File API Leads to Arbitrary File Write and RCE

baserCMS is a website development framework. Prior to version 5.2.3, a path traversal vulnerability exists in the theme file management API /baser/api/admin/bc-theme-file/themefiles/add.json that allows arbitrary file write. An authenticated administrator can include ../ sequences in the path...

CVE-2026-30940 baserCMS: Path Traversal in Theme File API Leads to Arbitrary File Write and RCE

baserCMS is a website development framework. Prior to version 5.2.3, a path traversal vulnerability exists in the theme file management API /baser/api/admin/bc-theme-file/themefiles/add.json that allows arbitrary file write. An authenticated administrator can include ../ sequences in the path...

CVE-2026-30940

CVE-2026-30940 affects baserCMS prior to version 5.2.3. A path traversal flaw exists in the theme file management API at /baser/api/admin/bc-theme-file/theme_files/add.json, allowing an authenticated administrator to inject ../ sequences in the path and create a PHP file outside the theme directo...

PT-2026-29152

baserCMS is a website development framework. Prior to version 5.2.3, a path traversal vulnerability exists in the theme file management API /baser/api/admin/bc-theme-file/theme files/add.json that allows arbitrary file write. An authenticated administrator can include ../ sequences in the path...