CVE-2026-30569: A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0

Routine

MEDIUM 6.1DOWNGRADE

CVE-2026-30569 is a medium-severity flaw (CVSS 6.1) affecting inventory system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the view_stock_availability.php file via the "limit" parameter. The application fails to sanitize the input, allowing remote attackers to inject arbitrary web script or HTML via a crafted URL.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-03-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ahsanriaz26gmailcom

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

ahsanriaz26gmailcom inventory 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 inventory-system || rpm -q inventory-system || inventory-system --version

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

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

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

dnf --showduplicates list inventory-system sudo dnf downgrade inventory-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add inventory-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-2026-30569?

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

Is CVE-2026-30569 being exploited?

CVE-2026-30569 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-2026-30569 affect?

CVE-2026-30569 affects inventory system. Severity is medium (CVSS 6.1). A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the view_stock_availability.php file via the "limit" parameter. The application fails to sanitize

How urgent is CVE-2026-30569?

Priority 31/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-30571 MEDIUM 6.1 DOWNGRADE A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0 i
CVE-2026-30570 MEDIUM 6.1 DOWNGRADE A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0 i
CVE-2026-30568 MEDIUM 4.8 DOWNGRADE A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0 i
CVE-2026-30567 MEDIUM 6.1 DOWNGRADE A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0 i

References

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