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7.0
CVE-2026-26997: ClipBucket allows stored XSS through collection name
CVE-2026-26997 · published 8 months ago
Summary
ClipBucket version 5 lets a regular user save malicious code in a collection name, which runs when an administrator views it. This could let an attacker steal admin credentials or perform actions as the admin. Updating to version 5.5.3 #59 or later removes the risk.
What to do
- Update oxygenz clipbucket to version 5.5.3-59 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| oxygenz | clipbucket |
>= 5.3, < 5.5.3-59 cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:* |
Original advisory text
ClipBucket v5 has Stored XSS via Collection name
ClipBucket v5 is an open source video sharing platform. Prior to version 5.5.3 #59, a normal authenticated user can store the XSS payload. The payload is triggered by administrator. Version 5.5.3 #59 fixes the issue.
References
- https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-97r6-4hmx-h... Vendor Advisory
- https://github.com/MacWarrior/clipbucket-v5/commit/2da4c8e41f9e4baf47ff89f8a674f... Patch
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26997... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-26997 Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Severity
7.0
High
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published27 Feb 2026
Updated4 Nov 2026
First seen6 Mar 2026
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