CVE-2021-45416
MediumCVSS 6.1Exploitation Probability (EPSS)
High risk81th percentile - higher than 81% of all known CVEs
Summary
A reflected XSS vulnerability in RosarioSIS 8.2.1 allows attackers to inject arbitrary HTML via the search_term parameter in the modules/Scheduling/Courses.php script.
Risk Assessment
The risk involves executing malicious scripts in the victim's browser, potentially leading to session theft, redirects, or sensitive data exfiltration.
Recommendation
Immediately update RosarioSIS to the latest version and implement input filtering and validation for the search_term parameter.
Other vulnerabilities in RosarioSIS
See all- CVE-2026-93014High
RosarioSIS versions before 12.9 fail to validate the filename request parameter in Users and Students modules, allowing authenticated users to unlink allow-listed files via path traversal. Attackers can use parent-directory sequences to escape upload directories and delete CSS, XML, JSON resources and other users' documents throughout the installation.
- CVE-2026-19786Medium
A vulnerability was found in francoisjacquet RosarioSIS up to version 12.8 in the file Modules.php. Performing a manipulation results in cross-site request forgery. Remote exploitation is possible. Upgrading to version 12.9 addresses the issue.
- CVE-2026-19785Medium
A vulnerability was found in RosarioSIS up to version 12.7.4, in the student medical module. Manipulation of the 'table' argument in Medical.inc.php leads to SQL injection. The attack can be launched remotely.
- CVE-2026-19784Medium
A flaw was found in RosarioSIS up to version 12.8, affecting the DBUpdate function in Discipline/Referrals.php. This manipulation causes an authorization bypass. The attack can be initiated remotely, and the exploit has been published.
Original NVD description (English source)
Reflected Cross-site scripting (XSS) vulnerability in RosarioSIS 8.2.1 allows attackers to inject arbitrary HTML via the search_term parameter in the modules/Scheduling/Courses.php script.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

