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CVE-2026-30882— Chamilo LMS: Reflected XSS in the session category listing page

Quick assessment

Affected
chamilo chamilo-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.

Chamilo LMS是Chamilo开源的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS 1.11.34及之前版本存在跨站脚本漏洞，该漏洞源于session category listing页面中keyword参数清理和转义不足，可能导致反射型跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-30882

Vulnerability Information
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Vulnerability Title
Chamilo LMS: Reflected XSS in the session category listing page
Source: CVE Program / CVE List V5
Vulnerability Description
Chamilo LMS is a learning management system. Chamilo LMS version 1.11.34 and prior contains a Reflected Cross-Site Scripting (XSS) vulnerability in the session category listing page. The keyword parameter from $_REQUEST is echoed directly into an HTML href attribute without any encoding or sanitization. An attacker can inject arbitrary HTML/JavaScript by breaking out of the attribute context using ">followed by a malicious payload. The vulnerability is triggered when the pagination controls are rendered — which occurs when the number of session categories exceeds 20 (the page limit). This issue has been patched in version 1.11.36.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Chamilo LMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chamilo LMS是Chamilo开源的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS 1.11.34及之前版本存在跨站脚本漏洞，该漏洞源于session category listing页面中keyword参数清理和转义不足，可能导致反射型跨站脚本攻击。
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

Vendor Product Affected Versions CPE Subscribe
chamilo chamilo-lms < 1.11.36 -

II. Public POCs for CVE-2026-30882

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III. Intelligence Information for CVE-2026-30882

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Vendor Advisories for CVE-2026-30882 (1)

Vendor Pages for CVE-2026-30882 (1)

Same Patch Batch · chamilo · 2026-03-16 · 5 CVEs total

CVE-2026-30875 8.8 HIGH Chamilo LMS: Authenticated RCE via H5P Import
CVE-2026-30881 8.8 HIGH Chamilo LMS: SQL Injection in the statistics AJAX endpoint
CVE-2026-30876 Chamilo LMS: User enumeration vulnerability via response
CVE-2026-28430 Chamilo LMS Vulnerable to Unauthenticated SQL Injection in chamiko-lms model.ajax.php

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-30882

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