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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 Image Photo Gallery Final Tiles Grid是WordPress基金会开源的一款以网格布局展示图片的画廊插件。 WordPress Image Photo Gallery Final Tiles Grid 3.6.12及之前版本存在跨站脚本漏洞，该漏洞源于对'delay'短代码属性的输入清理和输出转义不足，可能导致经过身份验证的攻击者（具有贡献者级别及以上访问权限）注入任意Web脚本，当用户访问被注入页面时执行。

CVSS 6.4 · Medium EPSS 0.33% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
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
Vulnerability Title
WordPress Image Photo Gallery Final Tiles Grid 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Image Photo Gallery Final Tiles Grid是WordPress基金会开源的一款以网格布局展示图片的画廊插件。 WordPress Image Photo Gallery Final Tiles Grid 3.6.12及之前版本存在跨站脚本漏洞，该漏洞源于对'delay'短代码属性的输入清理和输出转义不足，可能导致经过身份验证的攻击者（具有贡献者级别及以上访问权限）注入任意Web脚本，当用户访问被注入页面时执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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

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III. Intelligence Information for CVE-2026-4559

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Patches & Fixes for CVE-2026-4559 (1)

News Coverage for CVE-2026-4559 (1)

IV. Related Vulnerabilities

Same product: Image Photo Gallery Final Tiles Grid
Same vendor: wpchill
Same weakness: CWE-79

V. Comments for CVE-2026-4559

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