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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 4.0
- 8.6 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 1.14% probability · 66th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Source
- disclosure@vulncheck.com
EPSS moved from 1.1% on 26 September 2026 to 1.1% on 26 October 2026.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.