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
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.4epss 0.5%
exploitation probability
0.5%top 62% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Affected products
gallerycreator · Mixed Media Gallery BlocksReferences
https://plugins.trac.wordpress.org/browser/simply-gallery-block/trunk/blocks/init.php#L127https://plugins.trac.wordpress.org/browser/simply-gallery-block/trunk/blocks/init.php#L132https://plugins.trac.wordpress.org/browser/simply-gallery-block/trunk/blocks/init.php#L70https://plugins.trac.wordpress.org/changeset/3107152/simply-gallery-block/trunk/blocks/init.phphttps://wordpress.org/plugins/simply-gallery-block/#developershttps://www.wordfence.com/threat-intel/vulnerabilities/id/3e7bd708-2e82-4fef-85f2-bf4f56f66bc4?source=cve