Cross Site Scripting Flaw in Gallery PhotoBlocks Plugin by WordPress
CVE-2026-66448

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Gallery Photoblocks
Vendor
CVE Published:
27 July 2026

What is CVE-2026-66448?

The Gallery PhotoBlocks plugin for WordPress, specifically version 1.3.3 and earlier, contains a Cross Site Scripting (XSS) vulnerability. This security flaw could allow attackers to inject malicious scripts into web pages viewed by other users, potentially compromising user accounts and data integrity. It is crucial to update to the latest version of the plugin to mitigate this risk.

Affected Version(s)

Gallery PhotoBlocks <= 1.3.3

References

https://patchstack.com/database/wordpress/plugin/photoblo...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Sharief | Patchstack Bug Bounty Program
.