CVE-2026-100372
ClipBucket v5 before 5.5.3-#197 contains a path traversal vulnerability in the admin template editor that allows authenticated administrators to overwrite PHP files by supplying directory traversal sequences in the folder parameter. Attackers with manage_template_access permission can traverse outside the layout directory to modify executable PHP files and achieve remote code execution as the web server user.
Weakness
ClipBucket v5 before 5.5.3-#197 contains a path traversal vulnerability in the admin template editor that allows authenticated administrators to overwrite PHP files by supplying directory traversal sequences in the folder parameter. Attackers with manage_template_access permission can traverse outside the layout directory to modify executable PHP files and achieve remote code execution as the web server user.
References
- https://github.com/MacWarrior/clipbucket-v5
- https://github.com/MacWarrior/clipbucket-v5/blob/61cce55ab26ef88fb782dfde47b44c17c56978cd/upload/admin_area/template_editor.php#L44-L69
- https://github.com/MacWarrior/clipbucket-v5/commit/f31de49b2194482ffef7147aa1e9b1c8f0f04eb7
- https://github.com/MacWarrior/clipbucket-v5/releases/tag/5.5.3-%23197
- https://hackmd.io/@leediay/S1AIRjzqfx
- https://www.vulncheck.com/advisories/clipbucket-v5-before-5.5.3-197-path-traversal-via-template-editor-php
Find the bug before an attacker does.
Sign in with GitHub and run your first audit in under a minute. The free plan needs no credit card.