Vulnerability · Published Nov 3, 2026 · Assigned by VulnCheck

CVE-2026-121731RosarioSIS before 12.9 SQL Injection via period_id in Attendance Absence Report

High 8.8

In plain English

A high-severity SQL injection in RosarioSIS from francoisjacquet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.3%top 76.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

RosarioSIS before 12.9 contains a sql injection vulnerability that allows authenticated non-student users, including parents, to inject SQL via the unquoted period_id parameter in StudentSummary.php. Attackers can supply payloads without single quotes into IN() clauses to extract administrator password hashes and student records through time-based queries or modify data via stacked statements.

Affected products (as reported)

Vendor	Product	Versions
francoisjacquet	RosarioSIS	0 – before 12.9

Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Patch Commit patch
https://github.com/francoisjacquet/rosariosis product
https://gitlab.com/francoisjacquet/rosariosis/-/issues/375 issue-tracking
https://github.com/francoisjacquet/rosariosis/blob/v12.8.1/modules/Attendance/includes/StudentSummary.php#L119 technical-description
RosarioSIS v12.9 Release Notes release-notes
VulnCheck Advisory: RosarioSIS before 12.9 SQL Injection via period_id in Attendance Absence Report third-party-advisory