CVE-2023-2740: A vulnerability, which was classified as problematic, has been found in SourceCodester Guest Management System

Routine

LOW 3.5DOWNGRADE

CVE-2023-2740 is a low-severity flaw (CVSS 3.5) affecting guest management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in SourceCodester Guest Management System 1.0. Affected by this issue is some unknown functionality of the file dateTest.php of the component GET Parameter Handler. The manipulation of the argument name leads to cross site scripting. 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-2291

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-05-16
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: guest management system project

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

Am I affected?

Timeline

2023-05-16 17:15 UTCPublished CVE record published
2026-06-17 05:53 UTCUpdated Record last modified

guest management system project guest management system 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 guest-management-system || rpm -q guest-management-system || guest-management-system --version

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

apt-cache madison guest-management-system sudo apt install guest-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold guest-management-system

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

dnf --showduplicates list guest-management-system sudo dnf downgrade guest-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add guest-management-system

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-2023-2740?

guest management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-2740 being exploited?

CVE-2023-2740 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-2023-2740 affect?

CVE-2023-2740 affects guest management system. Severity is low (CVSS 3.5). A vulnerability, which was classified as problematic, has been found in SourceCodester Guest Management System 1.0. Affected by this issue is some unknown functionality of the file dateTest.php of the component GET Parameter Handler. The ma

How urgent is CVE-2023-2740?

Priority 23/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-2847 MEDIUM 6.3 MITIGATE A vulnerability, which was classified as critical, has been found in SourceCodester Guest Management System
CVE-2022-2813 MEDIUM 4.3 MITIGATE A vulnerability, which was classified as problematic, was found in SourceCodester Guest Management System
CVE-2022-2812 HIGH 7.3 MITIGATE A vulnerability classified as critical was found in SourceCodester Guest Management System
CVE-2022-2811 LOW 3.5 MITIGATE A vulnerability classified as problematic has been found in SourceCodester Guest Management System

References

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