CVE-2023-5281: A vulnerability was found in SourceCodester Engineers Online Portal 1.0

This month

MEDIUM 6.3DOWNGRADE

CVE-2023-5281 is a medium-severity flaw (CVSS 6.3) affecting engineers online portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-09-29
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: engineers online portal project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-09-29 19:15 UTCPublished CVE record published
2026-06-17 06:48 UTCUpdated Record last modified

engineers online portal project engineers online portal DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy engineers-online-portal || rpm -q engineers-online-portal || engineers-online-portal --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison engineers-online-portal sudo apt install engineers-online-portal=<VERSION_BEFORE_1.0> sudo apt-mark hold engineers-online-portal

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list engineers-online-portal sudo dnf downgrade engineers-online-portal-<VERSION_BEFORE_1.0> sudo dnf versionlock add engineers-online-portal

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-5281?

engineers online portal: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-5281 being exploited?

CVE-2023-5281 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-5281 affect?

CVE-2023-5281 affects engineers online portal. Severity is medium (CVSS 6.3). 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 i

How urgent is CVE-2023-5281?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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