Is CVE-2023-5281 actively exploited?

No active exploitation of CVE-2023-5281 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-5281 be exploited remotely?

Yes. CVE-2023-5281 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-5281?

CVE-2023-5281 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-5281

CWE-89Published: September 29, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in SourceCodester Engineers Online Portal 1.0. It has been classified as critical. This affects an unknown part of the file remove_inbox_message.php. The manipulation of the argument id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-240909 was assigned to this vulnerability.

NVD Source

Risk Analysis

A SQL injection vulnerability exists in the remove_inbox_message.php file of Engineers Online Portal 1.0, triggered via the id argument. This critical flaw is remotely exploitable and carries a 9.8 CVSS score.

A proof-of-concept exploit is publicly available, but the vulnerability is not in the CISA KEV catalog.

Recommended Action

Users should seek updates from the vendor to address this vulnerability.

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-2023-5281 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.