CVE-2024-5123: A vulnerability classified as problematic has been found in SourceCodester Event Registration System 1.0

Routine

MEDIUM 4.3DOWNGRADE

CVE-2024-5123 is a medium-severity flaw (CVSS 4.3) affecting event registration system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as problematic has been found in SourceCodester Event Registration System 1.0. This affects an unknown part of the file /registrar/. The manipulation of the argument searchbar leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-265203.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-05-20
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: oretnom23

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

Am I affected?

Timeline

2024-05-20 08:15 UTCPublished CVE record published
2026-06-17 08:15 UTCUpdated Record last modified

oretnom23 event registration 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 event-registration-system || rpm -q event-registration-system || event-registration-system --version

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

apt-cache madison event-registration-system sudo apt install event-registration-system=<VERSION_BEFORE_1.0> sudo apt-mark hold event-registration-system

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

dnf --showduplicates list event-registration-system sudo dnf downgrade event-registration-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add event-registration-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-2024-5123?

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

Is CVE-2024-5123 being exploited?

CVE-2024-5123 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-2024-5123 affect?

CVE-2024-5123 affects event registration system. Severity is medium (CVSS 4.3). A vulnerability classified as problematic has been found in SourceCodester Event Registration System 1.0. This affects an unknown part of the file /registrar/. The manipulation of the argument searchbar leads to cross site scripting. It is

How urgent is CVE-2024-5123?

Priority 32/100. Public exploit reference

Related CVEs

CVE-2024-5122 HIGH 7.3 DOWNGRADE A vulnerability was found in SourceCodester Event Registration System 1.0
CVE-2024-5121 LOW 3.5 DOWNGRADE A vulnerability was found in SourceCodester Event Registration System 1.0
CVE-2024-5120 MEDIUM 6.3 DOWNGRADE A vulnerability was found in SourceCodester Event Registration System 1.0
CVE-2024-5119 MEDIUM 6.3 DOWNGRADE A vulnerability was found in SourceCodester Event Registration System 1.0 and classified as critical
CVE-2024-5118 HIGH 7.3 DOWNGRADE A vulnerability has been found in SourceCodester Event Registration System 1.0 and classified as critical

References

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