CVE-2026-46546— Frappe LMS: HTML injection in user-controlled metadata
Quick assessment
Affected
frappe lms
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.
Frappe Learning Management System是Frappe开源的一个易于使用的开源学习管理系统。 Frappe Learning Management System 2.53.0之前版本存在注入漏洞，该漏洞源于经过身份验证的用户可在某些用户可编辑字段中提供特制内容，导致页面元数据中显示时访问者浏览器导航至攻击者选择的URL。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-46546
Vulnerability Information
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Vulnerability Title
Frappe LMS: HTML injection in user-controlled metadata
Source: CVE Program / CVE List V5
Vulnerability Description
Frappe Learning Management System (LMS) is a learning system that helps users structure their content. Prior to version 2.53.0, an authenticated user could supply specially crafted content in certain user-editable fields that, when surfaced in page metadata, caused visitors' browsers to navigate to an attacker-chosen URL. This issue has been patched in version 2.53.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Frappe Learning Management System 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Frappe Learning Management System是Frappe开源的一个易于使用的开源学习管理系统。 Frappe Learning Management System 2.53.0之前版本存在注入漏洞，该漏洞源于经过身份验证的用户可在某些用户可编辑字段中提供特制内容，导致页面元数据中显示时访问者浏览器导航至攻击者选择的URL。
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
II. Public POCs for CVE-2026-46546
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Vendor Advisories for CVE-2026-46546 (1)
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🔗 HTML injection in user-controlled metadata · Advisory · frappe/lms · GitHub x_refsource_CONFIRM
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V. Comments for CVE-2026-46546
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