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CVE-2026-85414— Gallery : FooGallery <= 3.3.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'custom_settings' Shortcode Attribute

Quick assessment

Affected
fooplugins Gallery : FooGallery
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 的 "The Gallery : FooGallery" 插件在 3.3.2 及之前所有版本中，由于输入净化不足和输出转义不当，存在“custom_settings”短代码属性引发的存储型跨站脚本（Stored Cross-Site Scripting）漏洞。这使得拥有贡献者（contributor）及以上权限的已认证攻击者能够在页面中注入任意网页脚本，一旦用户访问被注入的页面，这些脚本便会执行。

CVSS 6.4 · Medium

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-85414

Vulnerability Information
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Vulnerability Title
Gallery : FooGallery <= 3.3.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'custom_settings' Shortcode Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The Gallery : FooGallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'custom_settings' Shortcode Attribute in all versions up to, and including, 3.3.2 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
fooplugins Gallery : FooGallery 0 ~ 3.3.2 -

II. Public POCs for CVE-2026-85414

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III. Intelligence Information for CVE-2026-85414

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Patches & Fixes for CVE-2026-85414 (1)

Vendor Advisories for CVE-2026-85414 (1)

Vendor Pages for CVE-2026-85414 (2)

Other References for CVE-2026-85414 (3)

Other References for CVE-2026-85414 (3)

IV. Related Vulnerabilities

Same vendor: fooplugins
Same weakness: CWE-79

V. Comments for CVE-2026-85414

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