CVE-2026-30530: A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Actions.php fil

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2026-30530 is a critical-severity flaw (CVSS 9.8) affecting online food ordering system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Actions.php file (specifically the save_customer action). The application fails to properly sanitize user input supplied to the "username" parameter. This allows an attacker to inject malicious SQL commands.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-03-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: oretnom23

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

Am I affected?

Timeline

2026-03-27 16:16 UTCPublished CVE record published
2026-06-17 10:32 UTCUpdated Record last modified

oretnom23 online food ordering 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-food-ordering-system || rpm -q online-food-ordering-system || online-food-ordering-system --version

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

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

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

dnf --showduplicates list online-food-ordering-system sudo dnf downgrade online-food-ordering-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add online-food-ordering-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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · fonttools · FIXED · 4.68.0-1.eln159 · FEDORA-2026-37fa4b964c · source

sudo dnf upgrade --advisory=FEDORA-2026-37fa4b964c

Fedora 46 · fonttools · FIXED · 4.68.0-1.fc46 · FEDORA-2026-65d6c01c75 · source

sudo dnf upgrade --advisory=FEDORA-2026-65d6c01c75

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/meifukun/Web-Security-PoCs/blob/main/Online-Food-Ordering-System/SQLi-Actions-s

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-2026-30530?

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

Is CVE-2026-30530 being exploited?

CVE-2026-30530 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-2026-30530 affect?

CVE-2026-30530 affects online food ordering system. Severity is critical (CVSS 9.8). A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Actions.php file (specifically the save_customer action). The application fails to properly sanitize user input supplied to the "username" parame

How urgent is CVE-2026-30530?

Priority 58/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-30534 HIGH 8.3 DOWNGRADE A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in admin/manage_catego
CVE-2026-30533 CRITICAL 9.8 DOWNGRADE A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the admin/manage_pr
CVE-2026-30532 CRITICAL 9.8 DOWNGRADE A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the admin/view_prod
CVE-2026-30531 HIGH 8.8 DOWNGRADE A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Actions.php fil
CVE-2026-30529 HIGH 8.8 DOWNGRADE A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Actions.php fil

References

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