CVE-2025-64339Public exploitNetwork attack vector

Viewer-side script execution via unescaped playlist names

Published Nov 7, 2025 · Updated Nov 7, 2025

Stored XSS in MacWarrior ClipBucket V5 before 5.5.2-#147 allows remote authenticated users to execute JavaScript in viewers' browsers. Manage Playlists stores HTML or JavaScript supplied in the Playlist Name field, then renders the name without output encoding on playlist detail and listing pages. A normal user account can plant the payload; execution requires a viewer, including an administrator, to open an affected playlist page.

CVSS severity5.4
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in MacWarrior ClipBucket V5 before 5.5.2-#147 allows remote authenticated users to execute JavaScript in viewers' browsers. Manage Playlists stores HTML or JavaScript supplied in the Playlist Name field, then renders the name without output encoding on playlist detail and listing pages. A normal user account can plant the payload; execution requires a viewer, including an administrator, to open an affected playlist page.

The record

CVE
CVE-2025-64339
Published
Nov 7, 2025
Updated
Nov 7, 2025
Vendor
MacWarrior
Product
ClipBucket V5
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 7, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 5.5.2-#147

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

MacWarrior · ClipBucket V5version=< 5.5.2-#147

Published CVSS scores

7.2GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:P
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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