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PHP CVE-2026-5319

| EUVD-2026-18118 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-04-02 VulDB
PHP XSS
2.1
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

6
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
5.3 (MEDIUM) 2.1 (LOW)
PoC Detected
Apr 03, 2026 - 16:10 vuln.today
Public exploit code
EUVD ID Assigned
Apr 02, 2026 - 03:30 euvd
EUVD-2026-18118
Analysis Generated
Apr 02, 2026 - 03:30 vuln.today
CVE Published
Apr 02, 2026 - 02:45 nvd
MEDIUM 5.3

DescriptionCVE.org

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.

AnalysisAI

Reflected cross-site scripting (XSS) in itsourcecode Payroll Management System up to version 1.0 allows remote attackers to inject malicious scripts via the 'page' parameter in /navbar.php. The vulnerability requires user interaction (UI:R per CVSS vector) but carries a low CVSS score of 4.3 due to limited confidentiality impact. …

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Vulnerability AssessmentAI

Risk Assessment While the CVSS score of 4.3 is relatively low, multiple factors elevate real-world risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker crafts a malicious URL containing JavaScript in the 'page' parameter, such as /navbar.php?page=<script>alert('XSS')</script>, and tricks a user into clicking the link via phishing email or social engineering. When the victim visits the URL, the unvalidated 'page' parameter is reflected in the HTML response, causing the attacker's script to execute in the victim's browser within the application's security context. …
Remediation Upgrade itsourcecode Payroll Management System to a patched version released after version 1.0 if available from the vendor. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-5319 vulnerability details – vuln.today
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