RCE in Oretnom23 Resort Reservation System

CVE-2026-3819

A vulnerability has been found in SourceCodester Resort Reservation System 1.0. The affected element is an unknown function of the file /?page=manage_reservation of the component Reservation Management Module. Such manipulation of the argument ID leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-3819: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3819?
CVE-2026-3819 is a low-severity vulnerability in Oretnom23 Resort Reservation System, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-03-09.
How severe is CVE-2026-3819?
Low severity. CVSS v3 base score is 3.5 out of 10.