SQL Injection in Francoisjacquet Rosariosis
CVE-2026-121731
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.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/francoisjacquet/rosariosis/commit/1b809f9761b50c3f6faf9e1b2b5f5e74d6… (patch)
- github.com/francoisjacquet/rosariosis (product)
- gitlab.com/francoisjacquet/rosariosis/-/issues/375 (issue-tracking)
- github.com/francoisjacquet/rosariosis/blob/v12.8.1/modules/Attendance/includes/… (technical-description)
- github.com/francoisjacquet/rosariosis/releases/tag/v12.9 (release-notes)
- www.vulncheck.com/advisories/rosariosis-before-12.9-sql-injection-via-period-id… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-121731?
- CVE-2026-121731 is a high-severity vulnerability in Francoisjacquet Rosariosis, classified under SQL Injection. CVSS score: 8.8/10. Published 2026-11-03.
- How severe is CVE-2026-121731?
- High severity. CVSS v3 base score is 8.8 out of 10.