Chamilo v1.11.x up to v1.11.18 was discovered to contain a cross-site scripting (XSS) vulnerability via the /feedback/comment field.

An issue in Chamilo v1.11.* up to v1.11.18 allows attackers to execute a Server-Side Request Forgery (SSRF) and obtain information on the services running on the server via crafted requests in the social and links tools.

Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.

Cross Site Scripting vulnerability found in Chamilo Lms v.1.11.18 allows a local attacker to execute arbitrary code via a crafted payload to the personal notes function.

Cross Site Scripting vulnerability found in Chamilo Lms v.1.11.18 allows a local attacker to execute arbitrary code via a crafted payload to the My Progress function.

Cross Site Scripting vulnerability found in Chamilo Lms v.1.11.18 allows a local authenticated attacker to execute arbitrary code via the homepage function.

Cross Site Scripting vulnerability found in Chamilo Lms v.1.11.18 allows a local attacker to execute arbitrary code via the course category parameters.

Cross Site Scripting vulnerability found in Chamilo Lms v.1.11.18 allows a local attacker to execute arbitrary code via the resource sequencing parameters.

Cross Site Scripting vulnerability found in Chamilo Lms v.1.11.18 allows a local attacker to execute arbitrary code via the skype and linedin_url parameters.

Cross Site Scripting vulnerability found in Chamilo Lms v.1.11.18 allows a local attacker to execute arbitrary code via the skills wheel parameter.