What’s Vulnerable › Vulnerabilities

CVE-2026-100372: ClipBucket v5 before 5.5.3-#197 Path Traversal via template_editor.php

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-25 · updated 2026-09-30
• Weakness: CWE-22

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.

Affected products

• MacWarrior clipbucket-v5: before 5.5.3-#197 — fixed in 5.5.3-#197

How to fix

Upgrade to a fixed version: MacWarrior clipbucket-v5 5.5.3-#197. Check the vendor advisory for mitigations.

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

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