CVE-2024-5121: A vulnerability was found in SourceCodester Event Registration System 1.0

Routine

LOW 3.5DOWNGRADE

CVE-2024-5121 is a low-severity flaw (CVSS 3.5) affecting event registration system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in SourceCodester Event Registration System 1.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /registrar/?page=registration. The manipulation of the argument e leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-265201 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	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 63%)
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 07:15 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-2024-5121?

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

Is CVE-2024-5121 being exploited?

CVE-2024-5121 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-2024-5121 affect?

CVE-2024-5121 affects event registration system. Severity is low (CVSS 3.5). A vulnerability was found in SourceCodester Event Registration System 1.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /registrar/?page=registration. The manipulation of the ar

How urgent is CVE-2024-5121?

Priority 27/100. Public exploit reference

Related CVEs

CVE-2024-5123 MEDIUM 4.3 DOWNGRADE A vulnerability classified as problematic has been found in SourceCodester Event Registration System 1.0
CVE-2024-5122 HIGH 7.3 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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