Cross-site scripting in Chamilo LMS

Published: 2021-02-01 | Updated: 2021-02-23
Risk Low
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2021-26746
Exploitation vector Network
Public exploit N/A
Vulnerable software
Chamilo LMS
Client/Desktop applications / Other client software

Vendor Chamilo

Security Bulletin

This security bulletin contains information about 1 vulnerabilities.

Updated 23.02.2021

Assigned CVE-ID number.

1) Cross-site scripting

EUVDB-ID: #VU50167

Risk: Low


CVE-ID: CVE-2021-26746

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the "agenda_list.php" script. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Chamilo LMS: 1.11.14 - 1.11.14

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?