CVE-2026-107323

Gallery PhotoBlocks 1.3.5 - Contributor+ Stored XSS

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.

Affected

Gallery PhotoBlocks

CVSS v3.1 CNA

6.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

EPSS

0.29% chance of exploitation in the next 30 days, 20th percentile

Published

2026-10-10

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/19a8c2db-fb31-4203-83d6-139b35c93a80/

References

• CVE Record
• NVD entry