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CVE-2025-55289— Chamilo: Stored Cross Site Scripting in Skills Argumentation

CVSS 8.8 · High EPSS 0.02% · P4
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I. Basic Information for CVE-2025-55289

Vulnerability Information
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Vulnerability Title
Chamilo: Stored Cross Site Scripting in Skills Argumentation
Source: NVD (National Vulnerability Database)
Vulnerability Description
Chamilo is a learning management system. Prior to version 1.11.34, there is a stored XSS vulnerability in Chamilo LMS (Verison 1.11.32) allows an attacker to inject arbitrary JavaScript into the platform’s social network and internal messaging features. When viewed by an authenticated user (including administrators), the payload executes in their browser within the LMS context. This enables full account takeover via session hijacking, unauthorized actions with the victim’s privileges, exfiltration of sensitive data, and potential self-propagation to other users. This issue has been patched in version 1.11.34.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Chamilo 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chamilo是Chamilo开源的一个学习管理系统。 Chamilo 1.11.34之前版本存在跨站脚本漏洞，该漏洞源于社交网络和内部消息功能输入验证不足，可能导致存储型跨站脚本攻击，进而导致账户接管、未授权操作和数据泄露。
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
chamilochamilo-lms < 1.11.34 -

II. Public POCs for CVE-2025-55289

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III. Intelligence Information for CVE-2025-55289

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Same Patch Batch · chamilo · 2026-03-06 · 7 CVEs total

CVE-2025-595429.1 CRITICALChamilo: Account Takeover via Stored XSS in Course Learning Paths
CVE-2025-595439.1 CRITICALChamilo: Account Takeover via Stored XSS in Course Description
CVE-2026-290418.8 HIGHChamilo: Authenticated Remote Code Execution via Unrestricted File Upload
CVE-2025-595418.1 HIGHChamilo: CSRF Vulnerability in Project Deletion
CVE-2025-59540Chamilo: Stored Cross-Site Scripting (XSS) in Chamilo LMS Exercise Feedback
CVE-2025-59544Chamilo: Unauthorized access to update category of any user

IV. Related Vulnerabilities

Same product: chamilo-lms
Same vendor: chamilo
Same weakness: CWE-79

V. Comments for CVE-2025-55289

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