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CVE-2026-109974— All-in-One Video Gallery <= 4.9.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'more_link' Shortcode Attribute

Quick assessment

Affected
plugins360 All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos
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"All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos"在 4.9.7 及之前所有版本中，由于输入清理和输出转义不足，存在存储型跨站脚本（Stored XSS）漏洞。该漏洞通过 参数触发，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 Web 脚本；当其他用户访问被注入的页面时，这些脚本将被执行。

CVSS 6.4 · Medium
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I. Basic Information for CVE-2026-109974

Vulnerability Information
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Vulnerability Title
All-in-One Video Gallery <= 4.9.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'more_link' Shortcode Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'more_link' parameter in all versions up to, and including, 4.9.7 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
plugins360 All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos 0 ~ 4.9.7 -

II. Public POCs for CVE-2026-109974

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III. Intelligence Information for CVE-2026-109974

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Other References for CVE-2026-109974 (5)

IV. Related Vulnerabilities

Same product: All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos
Same vendor: plugins360
Same weakness: CWE-79