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I. Basic Information for CVE-2026-2735
Vulnerability Information

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Vulnerability Title
Stored Cross-Site Scripting (XSS) vulnerability in Alkacon's OpenCms
Source: NVD (National Vulnerability Database)
Vulnerability Description
Stored Cross-Site Scripting (XSS) in Alkacon's OpenCms v18.0, which occurs when user input is not properly validated when sending a POST request to ‘/blog/new-article/org.opencms.ugc.CmsUgcEditService.gwt’ using the ‘text’ parameter.
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
Alkacon OpenCMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Alkacon OpenCMS是Alkacon公司的一个内容管理系统。 Alkacon OpenCms v18.0版本存在跨站脚本漏洞,该漏洞源于向/blog/new-article/org.opencms.ugc.CmsUgcEditService.gwt发送POST请求时,对text参数的用户输入验证不当,可能导致存储型跨站脚本攻击。
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
AlkaconOpenCms 18.0 -
II. Public POCs for CVE-2026-2735
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III. Intelligence Information for CVE-2026-2735
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IV. Related Vulnerabilities
V. Comments for CVE-2026-2735

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