CVE-2026-77929: high-severity vulnerability in MacWarrior clipbucket-v5
ClipBucket < 5.5.3-#182 Remote Code Execution via Photo Upload Endpoint
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.9%
ClipBucket v5 before 5.5.3-#182 contains a file upload vulnerability that allows authenticated users to achieve remote code execution by uploading a PHP file with valid image magic bytes through the photo upload endpoint. The FileUpload::manageFile() function in fileupload.class.php fails to update the file extension after MIME validation, allowing an attacker-controlled .php extension to persist on disk and execute as PHP via PHP-FPM when the uploaded file is retrieved.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
MacWarrior · clipbucket-v5Related CVEs — MacWarrior clipbucket-v5
In the same product, most dangerous first.
CVE-2026-21875CRITICALClipBucket v5 Vulnerable to Blind SQL Injection through Channel CommentsEPSS 1.8%CVE-2025-21624CRITICALClipBucket V5 Playlist Cover File Upload to Remote Code ExecutionEPSS 1.2%CVE-2026-80138CRITICALClipBucket V5 5.5.1 through 5.5.3-#153 OS Command Injection via Installer php_cli_filepath ParameterEPSS 1.2%CVE-2025-21623HIGHClipBucket V5 Unauthenticated Template Directory Update to Denial-of-ServiceEPSS 1.2%CVE-2026-100372HIGHClipBucket v5 before 5.5.3-#197 Path Traversal via template_editor.phpEPSS 1.1%CVE-2025-21622HIGHClipBucket V5 Avatar URL Path Traversal to Arbitrary File DeleteEPSS 1.0%