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TI-2026-21475 Aliases CVE-2026-26997

ClipBucket v5 has Stored XSS via Collection name

Priority MEDIUM 44CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00231 14th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MacWarriorclipbucket-v5< 5.5.3 #59—No fix listedCNA
  • clipbucket-v5 VendorMacWarrior Affected < 5.5.3 #59 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:*5.3 to before 5.5.3-59VulnerableMacWarrior
  • cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:* Versions 5.3 to before 5.5.3-59 Vulnerable ·MacWarrior

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-26997

References

  • TI-2026-17576 ClipBucket v5 Vulnerable to Blind SQL Injection through Channel Comments CVSS 3.1CRITICAL 9.8
  • TI-2025-41207 ClipBucket 5.5.2 is affected by an improper access control issue where the product is… CVSS 3.1CRITICAL 9.8
  • TI-2025-15584 ClipBucket V5 Playlist Cover File Upload to Remote Code Execution CVSS 3.1CRITICAL 9.8
  • TI-2024-36252 Untrusted Deserialization in ClipBucket-v5 Version 5.5.1 Revision 199 and Below CVSS 3.1CRITICAL 9.8
  • TI-2024-36251 Untrusted Deserialization in ClipBucket-v5 Version 2.0 to 5.5.1 Revision 199 CVSS 3.1CRITICAL 9.8
  • TI-2026-20797 ClipBucket v5 Affected by Remote Code Execution via Avatar/Background File Upload Race Condition CVSS 4.0CRITICAL 9.3
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences