WordPress YouTube Showcase plugin <= 3.5.1 - Cross Site Scripting (XSS) vulnerability

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Summary

CVECVE-2025-15636
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-15 17:17:00 UTC
Updated2026-04-15 17:17:00 UTC
DescriptionImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Emarket-design YouTube Showcase allows Stored XSS.This issue affects YouTube Showcase: from n/a through 3.5.1.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Emarket-design YouTube Showcase affected n/a 3.5.1 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/wordpress/plugin/youtube-showcase/vulnerability/word... [email protected] patchstack.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Muhammad Yudha - DJ | Patchstack Bug Bounty Program (en)

Additional Advisory Data

Solutions

CNA: Update the WordPress YouTube Showcase plugin to the latest available version (at least 3.5.2).

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