CVE-2022-28023: Purchase Order Management System v1.0 was discovered to contain a SQL injection vulnerability via /purchase_or

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-28023 is a critical-severity flaw (CVSS 9.8) affecting purchase order management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Purchase Order Management System v1.0 was discovered to contain a SQL injection vulnerability via /purchase_order/classes/Master.php?f=delete_supplier.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-04-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: purchase order 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

2022-04-21 20:15 UTCPublished CVE record published
2026-06-17 04:37 UTCUpdated Record last modified

purchase order management system project purchase order 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 purchase-order-management-system || rpm -q purchase-order-management-system || purchase-order-management-system --version

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

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

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

dnf --showduplicates list purchase-order-management-system sudo dnf downgrade purchase-order-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add purchase-order-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-2022-28023?

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

Is CVE-2022-28023 being exploited?

CVE-2022-28023 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-2022-28023 affect?

CVE-2022-28023 affects purchase order management system. Severity is critical (CVSS 9.8). Purchase Order Management System v1.0 was discovered to contain a SQL injection vulnerability via /purchase_order/classes/Master.php?f=delete_supplier.

How urgent is CVE-2022-28023?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-48454 HIGH 7.2 DOWNGRADE An issue in SourceCodester Purchase Order Management System v1.0 allows a remote attacker to execute arbitrary
CVE-2023-2293 LOW 2.4 DOWNGRADE A vulnerability was found in SourceCodester Purchase Order Management System 1.0
CVE-2023-2130 MEDIUM 6.3 DOWNGRADE A vulnerability classified as critical has been found in SourceCodester Purchase Order Management System 1.0
CVE-2022-44400 CRITICAL 9.8 DOWNGRADE Purchase Order Management System v1.0 contains a file upload vulnerability via /purchase_order/admin/?page=sys
CVE-2022-3503 LOW 3.5 DOWNGRADE A vulnerability was found in SourceCodester Purchase Order Management System 1.0

References

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