CVE-2023-1851: A vulnerability classified as problematic has been found in SourceCodester Online Payroll System 1.0

Routine

LOW 3.5DOWNGRADE

CVE-2023-1851 is a low-severity flaw (CVSS 3.5) affecting online payroll 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 Online Payroll System 1.0. This affects an unknown part of the file /admin/employee_add.php. The manipulation of the argument of 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-224991.

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	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-04-05
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: online payroll system project

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

Am I affected?

Timeline

2023-04-05 08:15 UTCPublished CVE record published
2026-06-17 05:28 UTCUpdated Record last modified

online payroll system project online payroll 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 online-payroll-system || rpm -q online-payroll-system || online-payroll-system --version

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

apt-cache madison online-payroll-system sudo apt install online-payroll-system=<VERSION_BEFORE_1.0> sudo apt-mark hold online-payroll-system

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

dnf --showduplicates list online-payroll-system sudo dnf downgrade online-payroll-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add online-payroll-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-2023-1851?

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

Is CVE-2023-1851 being exploited?

CVE-2023-1851 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-2023-1851 affect?

CVE-2023-1851 affects online payroll system. Severity is low (CVSS 3.5). A vulnerability classified as problematic has been found in SourceCodester Online Payroll System 1.0. This affects an unknown part of the file /admin/employee_add.php. The manipulation of the argument of leads to cross site scripting. It is

How urgent is CVE-2023-1851?

Priority 29/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-1853 LOW 3.5 DOWNGRADE A vulnerability, which was classified as problematic, has been found in SourceCodester Online Payroll System 1
CVE-2023-1852 LOW 3.5 DOWNGRADE A vulnerability classified as problematic was found in SourceCodester Online Payroll System 1.0
CVE-2023-1850 MEDIUM 6.3 DOWNGRADE A vulnerability was found in SourceCodester Online Payroll System 1.0
CVE-2023-1849 MEDIUM 6.3 DOWNGRADE A vulnerability was found in SourceCodester Online Payroll System 1.0
CVE-2023-1848 MEDIUM 6.3 DOWNGRADE A vulnerability was found in SourceCodester Online Payroll System 1.0

References

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