An issue was discovered in Chamillo LMS 1.11.2. The Social Network /personal_data endpoint exposes full sensitive user information even after logout because proper cache-control is missing. Using the browser back button restores all personal data, allowing unauthorized users on the same device to view confidential information. This leads to profiling, impersonation, targeted attacks, and significant privacy risks.

Cross Site Scripting vulnerability in Chamilo LMS v.1.11.26 allows an attacker to execute arbitrary code via the svkey parameter of the storageapi.php file.

Chamilo LMS 1.11.26 is vulnerable to Incorrect Access Control via main/auth/profile. Non-admin users can manipulate sensitive profiles information, posing a significant risk to data integrity.

Chamilo LMS Version 1.11.26 is vulnerable to Incorrect Access Control. A non-authenticated attacker can request the number of messages and the number of online users via "/main/inc/ajax/message.ajax.php?a=get_count_message" AND "/main/inc/ajax/online.ajax.php?a=get_users_online."

A Stored Cross-Site Scripting (XSS) Vulnerability in Chamilo LMS 1.11.26 allows a remote attacker to execute arbitrary JavaScript in a web browser by including a malicious payload in the 'content' parameter of 'group_topics.php'.

A Cross-Site Request Forgery (CSRF) vulnerability in Chamilo LMS 1.11.26 "/main/social/home.php," allows attackers to initiate a request that posts a fake post onto the user's social wall without their consent or knowledge.

Cross Site Scripting vulnerability in Chamilo LMS v.1.11.26 allows a remote attacker to escalate privileges via a crafted script to the filename parameter of the home.php component.

Cross Site Scripting vulnerability in Chamilo LMS v.1.11.26 allows a remote attacker to escalate privileges via a crafted script to the filename parameter of the new_ticket.php component.

Unrestricted file upload in `/main/inc/ajax/exercise.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.

Unrestricted file upload in `/main/inc/ajax/work.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.

Unrestricted file upload in `/main/inc/ajax/dropbox.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.

Unrestricted file upload in `/main/inc/ajax/document.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.

Command injection in `main/lp/openoffice_text_document.class.php` in Chamilo LMS <= v1.11.24 allows users permitted to upload Learning Paths to obtain remote code execution via improper neutralisation of special characters.

Command injection in `main/lp/openoffice_presentation.class.php` in Chamilo LMS <= v1.11.24 allows users permitted to upload Learning Paths to obtain remote code execution via improper neutralisation of special characters.

Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.

Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections and obtain remote code execution via uploading of `.htaccess` file. This vulnerability may be exploited by privileged attackers or chained with unauthenticated arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve remote code execution.

Path traversal in file upload functionality in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via arbitrary file write.

Command injection in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20 allows unauthenticated attackers to obtain remote code execution via improper neutralisation of special characters. This is a bypass of CVE-2023-34960.

SQL Injection vulnerability in Chamilo LMS v.1.11 thru v.1.11.20 allows a remote privileged attacker to obtain sensitive information via the import sessions functions.

Cross Site Request Forgery (CSRF) vulnerability in Chamilo v.1.11 thru v.1.11.20 allows a remote authenticated privileged attacker to execute arbitrary code.

A command injection vulnerability in the wsConvertPpt component of Chamilo v1.11.* up to v1.11.18 allows attackers to execute arbitrary commands via a SOAP API call with a crafted PowerPoint name.

Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the extra fields management section.

Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the careers & promotions management section.

Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the course categories' definition.

Chamilo 1.11.x up to 1.11.20 allows users with an admin privilege account to insert XSS in the languages management section.

Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the classes/usergroups management section.

Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the skills wheel.

Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the session category management section.

An arbitrary file upload vulnerability in the /fileUpload.lib.php component of Chamilo 1.11.* up to v1.11.18 allows attackers to execute arbitrary code via uploading a crafted SVG file.

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

Incorrect access control in Chamilo v1.11.x up to v1.11.18 allows a student to arbitrarily access and modify another student's personal notes.

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 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 system annnouncements parameter.

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

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.

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 course category parameters.

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 a crafted payload to the My Progress 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 personal notes function.

Chamilo 1.11.16 is affected by an authenticated local file inclusion vulnerability which allows authenticated users with access to 'big file uploads' to copy/move files from anywhere in the file system into the web directory.

A zip slip vulnerability in the file upload function of Chamilo v1.11 allows attackers to execute arbitrary code via a crafted Zip file.

A Server-Side Request Forgery (SSRF) in Chamilo LMS v1.11.13 allows attackers to enumerate the internal network and execute arbitrary system commands via a crafted Phar file.

Chamilo LMS v1.11.13 was discovered to contain a cross-site scripting (XSS) vulnerability via the component /blog/blog.php.

Chamilo LMS v1.11.13 was discovered to contain a SQL injection vulnerability via the blog_id parameter at /blog/blog.php.

Chamilo LMS v1.11.13 lacks validation on the user modification form, allowing attackers to escalate privileges to Platform Admin.

A reflected cross-site scripting (XSS) vulnerability in Chamilo LMS v1.11.13 allows attackers to execute arbitrary web scripts or HTML via user interaction with a crafted URL.

A Cross-Site Request Forgery (CSRF) in Chamilo LMS 1.11.14 allows attackers to execute arbitrary commands on victim hosts via user interaction with a crafted URL.