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I. Basic Information for CVE-2026-21451
Vulnerability Information

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Vulnerability Title
Bagisto has HTML Filter Bypass that Enables Stored XSS
Source: NVD (National Vulnerability Database)
Vulnerability Description
Bagisto is an open source laravel eCommerce platform. A stored Cross-Site Scripting (XSS) vulnerability exists in Bagisto prior to version 2.3.10 within the CMS page editor. Although the platform normally attempts to sanitize `<script>` tags, the filtering can be bypassed by manipulating the raw HTTP POST request before submission. As a result, arbitrary JavaScript can be stored in the CMS content and executed whenever the page is viewed or edited. This exposes administrators to a high-severity risk, including complete account takeover, backend hijacking, and malicious script execution. Version 2.3.10 fixes the issue.
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
Bagisto 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bagisto是印度Webkul Software开源的一套开源的电子商务框架。 Bagisto 2.3.10之前版本存在跨站脚本漏洞,该漏洞源于CMS页面编辑器存在存储型跨站脚本,可能导致账户接管。
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
bagistobagisto < 2.3.10 -
II. Public POCs for CVE-2026-21451
#POC DescriptionSource LinkShenlong Link
1CVE-2026-21451https://github.com/Ashwesker/Ashwesker-CVE-2026-21451POC Details
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III. Intelligence Information for CVE-2026-21451
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IV. Related Vulnerabilities
V. Comments for CVE-2026-21451

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