CVE-2024-5424

MEDIUM 6.4

Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery <= 3.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via galleryID and className Parameters

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

The Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘galleryID’ and 'className' parameters in all versions up to, and including, 3.2.1 due to insufficient input sanitization and output 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.

CWE	CWE-79
Vendor	gallerycreator
Product	mixed media gallery blocks
Published	Jun 28, 2024
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

gallerycreator / Mixed Media Gallery Blocks

0 ≤ 3.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/3e7bd708-2e82-4fef-85f2-bf4f56f66bc4?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/simply-gallery-block/trunk/blocks/init.php#L127 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/simply-gallery-block/trunk/blocks/init.php#L132 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/simply-gallery-block/trunk/blocks/init.php#L70 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3107152/simply-gallery-block/trunk/blocks/init.php wordpress.org: https://wordpress.org/plugins/simply-gallery-block/#developers

Credits

Craig Smith