CVE-2023-6771
CWE-89Published: December 13, 2023· Updated: Jun 17, 2026
Official Description
A vulnerability, which was classified as critical, has been found in SourceCodester Simple Student Attendance System 1.0. This issue affects the function save_attendance of the file actions.class.php. The manipulation of the argument sid leads to sql injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-247907.
Risk Analysis
SourceCodester Simple Student Attendance System 1.0 contains a SQL injection vulnerability in the save_attendance function. This critical flaw allows unauthorized database manipulation and carries a 9.8 CVSS score.
While no specific weaponized exploit is noted, the vulnerability has been disclosed publicly. It is remotely exploitable.
Implement input sanitization for the sid argument or upgrade to a patched version if available.
Technical Analysis
CVE-2023-6771 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-89)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-6771 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts