RCE in Sourcecodester Queue Management System
CVE-2026-82554
A flaw has been found in SourceCodester Queue Management System 1.0. This affects an unknown part of the file /api/add_customer.php. This manipulation of the argument Name causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.1% 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: 0.005 · change: +0.002
Affected products
- Sourcecodester Queue Management System — versions 1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/397070 (technical-description, vdb-entry)
- vuldb.com/vuln/397070/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-82554 (third-party-advisory)
- vuldb.com/submit/891607 (third-party-advisory)
- github.com/Jack-MRJ/Queue-Management-System-Vulnerability-Report (exploit)
- www.sourcecodester.com/ (product)
Frequently asked questions
- What is CVE-2026-82554?
- CVE-2026-82554 is a medium-severity vulnerability in Sourcecodester Queue Management System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-08-30.
- How severe is CVE-2026-82554?
- Medium severity. CVSS v3 base score is 4.3 out of 10.