RCE in Sourcecodester Leave Application System
CVE-2026-5209
A security vulnerability has been detected in SourceCodester Leave Application System 1.0. Affected by this issue is some unknown functionality of the component User Management Handler. Such manipulation leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (26.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.0% 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: 0.004 · change: +0.001
Affected products
- Sourcecodester Leave Application System — versions 1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/354345 (vdb-entry)
- vuldb.com/vuln/354345/cti (signature, permissions-required)
- vuldb.com/submit/780417 (third-party-advisory)
- medium.com/@hemantrajbhati5555/stored-cross-site-scripting-xss-in-php-leave-app… (exploit, broken-link)
- www.sourcecodester.com/ (product)
Frequently asked questions
- What is CVE-2026-5209?
- CVE-2026-5209 is a low-severity vulnerability in Sourcecodester Leave Application System, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2026-03-31.
- How severe is CVE-2026-5209?
- Low severity. CVSS v3 base score is 2.4 out of 10.