Is CVE-2023-3340 actively exploited?

No active exploitation of CVE-2023-3340 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-3340 be exploited remotely?

Yes. CVE-2023-3340 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-3340?

CVE-2023-3340 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-3340

CWE-89Published: June 20, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in SourceCodester Online School Fees System 1.0 and classified as critical. Affected by this issue is some unknown functionality of the file ajx.php of the component GET Parameter Handler. The manipulation of the argument name_startsWith leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-232016.

NVD Source

Risk Analysis

Online School Fees System 1.0 is susceptible to SQL injection via the ajx.php component. This critical flaw allows remote attackers to manipulate database queries, warranting immediate attention due to its 9.8 CVSS score.

While the exploit has been disclosed publicly, it is not currently tracked in the KEV catalog. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Apply available patches or updates provided by the vendor for the Online School Fees System.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-3340 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.