CVE-2026-4559— Image Photo Gallery Final Tiles Grid <= 3.6.12 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'delay' Shortcode Attribute
Quick assessment
Affected
wpchill Image Photo Gallery Final Tiles Grid
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
WordPress 插件 Image Photo Gallery Final Tiles Grid 存在存储型跨站脚本漏洞，受影响版本为 3.6.12 及更早版本。该漏洞源于对 ‘delay’ 短代码属性输入 sanitization（净化）和输出转义处理不足。攻击者只要具备 Contributor（贡献者）及以上权限，即可在网站页面中注入任意 Web 脚本；当用户访问被注入脚本的页面时，脚本将会自动执行。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by CompromiseAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| wpchill | Image Photo Gallery Final Tiles Grid | ≤ 3.6.12 |
affected |
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I. Basic Information for CVE-2026-4559
Vulnerability Information
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Vulnerability Title
Image Photo Gallery Final Tiles Grid <= 3.6.12 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'delay' Shortcode Attribute
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| wpchill | Image Photo Gallery Final Tiles Grid | 0 ~ 3.6.12 | - |
|
II. Public POCs for CVE-2026-4559
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-4559 (1)
News Coverage for CVE-2026-4559 (1)
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V. Comments for CVE-2026-4559
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