WP Games Embed <= 0.1beta - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

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Summary

CVECVE-2026-3996
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-21 04:17:35 UTC
Updated2026-04-24 16:27:44 UTC
DescriptionThe WP Games Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the [game] shortcode in all versions up to and including 0.1beta. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes such as 'width', 'height', 'src', 'title', 'description', 'game_url', 'main', and 'thumb', which are all directly concatenated into HTML output without any escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Risk And Classification

Primary CVSS: v3.1 6.4 MEDIUM from [email protected]

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

EPSS: 0.000730000 probability, percentile 0.218910000 (date 2026-04-26)

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Sammyb WP Games Embed affected 0.1beta semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/wp-games-embed/tags/0.1/wp-games-embed.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-games-embed/tags/0.1/wp-games-embed.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-games-embed/trunk/wp-games-embed.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-games-embed/trunk/wp-games-embed.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-games-embed/tags/0.1/wp-games-embed.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-games-embed/trunk/wp-games-embed.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/6a8cc968-01a5-45b8-bee8-86c85... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/wp-games-embed/trunk/wp-games-embed.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-games-embed/tags/0.1/wp-games-embed.php [email protected] plugins.trac.wordpress.org
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: Gilang Asra Bilhadi (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-20T15:07:26.000ZDisclosed
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