CVE-2026-26997
Received Received - Intake
Stored XSS in ClipBucket v5 Allows Admin Payload Execution

Publication date: 2026-02-27

Last updated on: 2026-03-03

Assigner: GitHub, Inc.

Description
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.
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Meta Information
Published
2026-02-27
Last Modified
2026-03-03
Generated
2026-06-16
AI Q&A
2026-02-27
EPSS Evaluated
2026-06-14
NVD
CVE-2026-26997
EUVD
EUVD-2026-9051
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
oxygenz clipbucket From 5.3 (inc) to 5.5.3-59 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability exists in ClipBucket version 5 before 5.5.3 #59. It allows a normal authenticated user to store a cross-site scripting (XSS) payload. This malicious payload is then triggered when an administrator views it.

Impact Analysis

The vulnerability can lead to an administrator unintentionally executing malicious scripts stored by a normal user. This could result in unauthorized actions performed with administrator privileges, potentially compromising the security and integrity of the platform.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, upgrade ClipBucket to version 5.5.3 #59 or later, as this version fixes the issue where a normal authenticated user can store an XSS payload that is triggered by an administrator.

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