CVE-2026-30527: A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Online Food Ordering System v1.0 in

Routine

MEDIUM 5.4DOWNGRADE

CVE-2026-30527 is a medium-severity flaw (CVSS 5.4) affecting online food ordering system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Category management module within the admin panel. The application fails to properly sanitize user input supplied to the "Category Name" field when creating or updating a category. When an administrator or user visits the Category list page (or any page where this category is rendered), the injected JavaScript executes immediately in

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-79
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.

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-2026-30527?

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

Is CVE-2026-30527 being exploited?

CVE-2026-30527 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-2026-30527 affect?

CVE-2026-30527 affects online food ordering system. Severity is medium (CVSS 5.4). A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Category management module within the admin panel. The application fails to properly sanitize user input supplied to the "Cat

How urgent is CVE-2026-30527?

Priority 28/100. Public exploit reference

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-2026-30530 CRITICAL 9.8 DOWNGRADE A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Actions.php fil

References

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