What’s Vulnerable › Vulnerabilities

CVE-2026-26997: ClipBucket v5 has Stored XSS via Collection name

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-27 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• MacWarrior clipbucket-v5: from 5.3 before 5.5.3-59 — fixed in 5.5.3-59

How to fix

Upgrade to a fixed version: MacWarrior clipbucket-v5 5.5.3-59. Check the vendor advisory for mitigations.

References

• https://github.com/MacWarrior/clipbucket-v5/commit/2da4c8e41f9e4baf47ff89f8a674fbe9b63ac76d
• https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-97r6-4hmx-hcrh

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