How severe is CVE-2026-3819?

CVE-2026-3819 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-3819 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3819?

CVE-2026-3819 affects Oretnom23 Resort Reservation System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3819?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3819 have an EU (EUVD) identifier?

Yes. CVE-2026-3819 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10336.

When was CVE-2026-3819 published?

CVE-2026-3819 was published on 2026-03-09 and last updated on 2026-06-17.

CVE-2026-3819

CVE-2026-3819 is a low-severity vulnerability in Oretnom23 Resort Reservation System with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
CVSS v4: 2.0
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10336
Weakness: CWE-79
Affected product: Oretnom23 Resort Reservation System
Published: 2026-03-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-3819?: CVE-2026-3819 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-3819 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3819?: CVE-2026-3819 affects Oretnom23 Resort Reservation System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3819?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3819 have an EU (EUVD) identifier?: Yes. CVE-2026-3819 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10336.
When was CVE-2026-3819 published?: CVE-2026-3819 was published on 2026-03-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oretnom23:resort_reservation_system:1.0:*:*:*:*:*:*:*

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