CVE-2025-21624 is a critical file upload vulnerability affecting ClipBucket V5, specifically versions prior to 5.5.1 - 239. This flaw allows attackers to upload malicious PHP script files instead of legitimate image files when managing playlist cover images, leading to webshell deployment and arbitrary code execution. With a CVSS score of 9.8 (CRITICAL) and an EPSS percentile of 96.08%, this vulnerability is easily exploitable over the network without authentication or user interaction, enabling full compromise of confidentiality, integrity, and availability. While no active exploitation or public exploit code has been identified, and community discussion is minimal, the high risk score of 95/100 warrants immediate patching to version 5.5.1 - 239.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.3, < 5.5.1-239CPE matchmatch criteria | cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.