Medium severity6.4NVD Advisory· Published Aug 22, 2026· Updated Aug 24, 2026
CVE-2026-4559
CVE-2026-4559
Description
The Image Photo Gallery Final Tiles Grid plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'delay' shortcode attribute in all versions up to, and including, 3.6.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=3.6.12
Patches
Vulnerability mechanics
References
4- plugins.trac.wordpress.org/browser/final-tiles-grid-gallery-lite/trunk/lib/gallery-class.phpnvd
- plugins.trac.wordpress.org/browser/final-tiles-grid-gallery-lite/trunk/lib/gallery-class.phpnvd
- plugins.trac.wordpress.org/changeset/3490676/nvd
- www.wordfence.com/threat-intel/vulnerabilities/id/afcb5fc3-8e53-4a0e-b4b3-26786d2f67d3nvd
News mentions
2- Wordfence Intelligence Weekly WordPress Vulnerability Report (August 17, 2026 to August 23, 2026)Wordfence Blog · Aug 27, 2026
- WordPress Plugins: 25 Vulnerabilities Disclosed, Including Critical Auth Bypass and Code Execution FlawsVypr Intelligence · Aug 23, 2026