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PHP EUVD-2026-12706

| CVE-2026-4356 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-03-18 VulDB
1.9
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
1.9 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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:H/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
High
User Interaction
P
Scope
X

Lifecycle Timeline

8
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
4.8 (MEDIUM) 1.9 (LOW)
Severity Changed
Apr 22, 2026 - 21:37 NVD
LOW MEDIUM
CVSS changed
Apr 22, 2026 - 21:37 NVD
2.4 (LOW) 4.8 (MEDIUM)
PoC Detected
Mar 18, 2026 - 14:52 vuln.today
Public exploit code
EUVD ID Assigned
Mar 18, 2026 - 01:30 euvd
EUVD-2026-12706
Analysis Generated
Mar 18, 2026 - 01:30 vuln.today
CVE Published
Mar 18, 2026 - 01:02 nvd
LOW 2.4

DescriptionCVE.org

A flaw has been found in itsourcecode University Management System 1.0. Affected is an unknown function of the file /add_result.php. Executing a manipulation of the argument vr can lead to cross site scripting. The attack may be launched remotely. The exploit has been published and may be used.

AnalysisAI

A Cross-Site Scripting (XSS) vulnerability exists in itsourcecode University Management System version 1.0, specifically in the /add_result.php file where the 'vr' parameter is not properly sanitized. An authenticated attacker with high privileges can inject malicious scripts that execute in the context of other users' browsers, potentially leading to session hijacking, credential theft, or unauthorized actions within the application. …

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Vulnerability AssessmentAI

Risk Assessment While the CVSS v3.1 score of 2.4 is notably low, the risk assessment reveals important nuances. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated administrator receives a phishing email or visits a malicious website containing a crafted URL pointing to the vulnerable /add_result.php file with a payload injected into the 'vr' parameter, such as /add_result.php?vr=<script>steal_session()</script>. When the administrator clicks the link, the unencoded JavaScript executes in their browser, allowing the attacker to capture their session cookie or perform unauthorized actions (such as modifying student grades) on their behalf. …
Remediation The primary remediation is to contact itsourcecode for an updated version of the University Management System or a security patch addressing the XSS vulnerability in /add_result.php. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

During next maintenance window: Apply vendor patches when convenient. …

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EUVD-2026-12706 vulnerability details – vuln.today

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