CVE-2026-107323

Medium

Description

The Gallery PhotoBlocks WordPress plugin before 1.3.6 does not sanitize and escape one of its gallery settings before outputting it into an HTML attribute, allowing users with Contributor-level access and above to store JavaScript that executes in the browser of anyone who views a page containing the gallery, including administrators.

SeverityMedium
CVSS6.8
Exploit probability—
ProductGallery PhotoBlocks
PublishedOct 10, 2026
First seenOct 10, 2026

How to fix

Update
  • Gallery PhotoBlocks1.3.6 or later

Affected products

ProductAffected versionsFixed in
Gallery PhotoBlocks1.3.5 ≤ v < 1.3.61.3.6

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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