How severe is CVE-2026-5319?

CVE-2026-5319 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-5319 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5319?

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

Does CVE-2026-5319 have an EU (EUVD) identifier?

Yes. CVE-2026-5319 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18118.

When was CVE-2026-5319 published?

CVE-2026-5319 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-5319

CVE-2026-5319 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18118
Weakness: CWE-79
Published: 2026-04-02
Last modified: 2026-06-17

Description

A security vulnerability has been detected in itsourcecode Payroll Management System up to 1.0. Affected is an unknown function of the file /navbar.php. Such manipulation of the argument page leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

Frequently asked questions

What is CVE-2026-5319?: A security vulnerability has been detected in itsourcecode Payroll Management System up to 1.0. Affected is an unknown function of the file /navbar.php. Such manipulation of the argument page leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
How severe is CVE-2026-5319?: CVE-2026-5319 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-5319 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5319?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-5319 have an EU (EUVD) identifier?: Yes. CVE-2026-5319 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18118.
When was CVE-2026-5319 published?: CVE-2026-5319 was published on 2026-04-02 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
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CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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