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I. Basic Information for CVE-2026-33209
Vulnerability Information

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Vulnerability Title
Avo has a XSS vulnerability on `return_to` param
Source: NVD (National Vulnerability Database)
Vulnerability Description
Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.30.3, a reflected cross-site scripting (XSS) vulnerability exists in the return_to query parameter used in the avo interface. An attacker can craft a malicious URL that injects arbitrary JavaScript, which is executed when he clicks a dynamically generated navigation button. This issue has been patched in version 3.30.3.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Avo 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Avo是Avo开源的一个开源的 ruby on rails 管理面板创建框架。 Avo 3.30.3之前版本存在跨站脚本漏洞,该漏洞源于avo接口中return_to查询参数存在反射型跨站脚本,可能导致攻击者注入并执行任意JavaScript。
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
VendorProductAffected VersionsCPESubscribe
avo-hqavo < 3.30.3 -
II. Public POCs for CVE-2026-33209
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III. Intelligence Information for CVE-2026-33209
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