CVE-2023-0774
CWE-89Published: February 10, 2023· Updated: Jun 17, 2026
Official Description
A vulnerability has been found in SourceCodester Medical Certificate Generator App 1.0 and classified as critical. This vulnerability affects unknown code of the file action.php. The manipulation of the argument lastname leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-220558 is the identifier assigned to this vulnerability.
Risk Analysis
The Medical Certificate Generator App is vulnerable to SQL injection via the lastname parameter in action.php. This critical flaw allows remote attackers to interfere with database operations.
No public exploit is currently known, though the vulnerability is remotely exploitable.
Review the application code to sanitize inputs and ensure all database queries use parameterized statements.
Technical Analysis
CVE-2023-0774 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-2023-0774 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts