CVE-2026-66434: Sayontan Sinha Photonic Gallery & Lightbox For Flickr, Smugmug & Others

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Contributor Cross Site Scripting (XSS) in Photonic Gallery & Lightbox for Flickr, SmugMug & Others <= 3.33 versions.

Affected products

• Sayontan Sinha Photonic Gallery & Lightbox For Flickr, Smugmug & Others: up to and including 3.33

Published 2026-07-27. Last modified 2026-07-27.