XSS in Ahsanriaz26gmailcom Sales And Inventory System
CVE-2026-30556
A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the index.php file via the "msg" parameter. The application fails to sanitize the input, allowing remote attackers to inject arbitrary web script or HTML via a crafted URL.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.001
Affected products
- Ahsanriaz26gmailcom Sales And Inventory System — versions 1.0
Weakness classification (CWE)
References
- github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-Index-msg… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-30556?
- CVE-2026-30556 is a medium-severity vulnerability in Ahsanriaz26gmailcom Sales And Inventory System, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-30.
- How severe is CVE-2026-30556?
- Medium severity. CVSS v3 base score is 6.1 out of 10.