CVE-2023-1687: A vulnerability classified as problematic has been found in SourceCodester Simple Task Allocation System 1.0

Routine

LOW 3.5DOWNGRADE

CVE-2023-1687 is a low-severity flaw (CVSS 3.5) affecting task allocation 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 Simple Task Allocation System 1.0. Affected is an unknown function of the file LoginRegistration.php?a=register_user. The manipulation of the argument Fullname leads to cross site scripting. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-224244.

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	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-03-29
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: task allocation system project

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

Am I affected?

Timeline

2023-03-29 08:15 UTCPublished CVE record published
2026-06-17 05:28 UTCUpdated Record last modified

task allocation system project task allocation 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 task-allocation-system || rpm -q task-allocation-system || task-allocation-system --version

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

apt-cache madison task-allocation-system sudo apt install task-allocation-system=<VERSION_BEFORE_1.0> sudo apt-mark hold task-allocation-system

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

dnf --showduplicates list task-allocation-system sudo dnf downgrade task-allocation-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add task-allocation-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-2023-1687?

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

Is CVE-2023-1687 being exploited?

CVE-2023-1687 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-2023-1687 affect?

CVE-2023-1687 affects task allocation system. Severity is low (CVSS 3.5). A vulnerability classified as problematic has been found in SourceCodester Simple Task Allocation System 1.0. Affected is an unknown function of the file LoginRegistration.php?a=register_user. The manipulation of the argument Fullname leads

How urgent is CVE-2023-1687?

Priority 20/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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