Stored Cross-Site Scripting Vulnerability in Image Photo Gallery Final Tiles Grid Plugin for WordPress
CVE-2026-4559

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Image Photo Gallery Final Tiles Grid
Vendor
CVE Published:
22 August 2026

What is CVE-2026-4559?

The Image Photo Gallery Final Tiles Grid plugin for WordPress has a vulnerability that allows for Stored Cross-Site Scripting (XSS) due to insufficient input sanitization and output escaping within the 'delay' shortcode attribute. This flaw affects all versions up to and including 3.6.12. Authenticated attackers with Contributor-level access or higher can exploit this vulnerability to inject arbitrary web scripts into pages, which will execute whenever users access the affected pages. It is crucial for site administrators to update and ensure secure configurations to mitigate this risk.

Affected Version(s)

Image Photo Gallery Final Tiles Grid 0 <= 3.6.12

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/final-tiles-gr...
https://plugins.trac.wordpress.org/browser/final-tiles-gr...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Athiwat Tiprasaharn (Jitlada)
Itthidej Aramsri (Boeing777)
.