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Tcexam CVE-2026-4169

| EUVDEUVD-2026-12213 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-03-15 VulDB
4.8
CVSS 4.0 · NVD
View

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

Attackers can steal session cookies, redirect users to malicious sites, deface content, or perform actions on behalf of authenticated users. With a CVSS score of 2.4 (LOW), this represents a low risk.

Exploit ScenarioDerived

An attacker injects a JavaScript payload into a vulnerable input field. When another user views the page, the script executes in their browser, stealing their session token.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

A security flaw has been discovered in Tecnick TCExam up to 16.6.0.

Earlier versions of this analysis (1)
v1 Mar 15, 2026 - 07:00 CVSS 2.4

RemediationAI

A vendor patch is available — apply it immediately. Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

Affected VersionsENISA

TCExam 16.3
TCExam 16.0
TCExam 16.6.0
TCExam 16.5
TCExam 16.1
TCExam 16.4
TCExam 16.2

Affected Packages

euvd tcexam 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

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.8 MEDIUM
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

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

4
Severity Changed
Apr 22, 2026 - 21:37 NVD
LOW MEDIUM
CVSS changed
Apr 22, 2026 - 21:37 NVD
2.4 (LOW) 4.8 (MEDIUM)
Patch released
Mar 15, 2026 - 07:00 nvd
Patch available
CVE Published
Mar 15, 2026 - 06:02 nvd
LOW 2.4

DescriptionCVE.org

A security flaw has been discovered in Tecnick TCExam up to 16.6.0. Affected is the function F_xml_export_users of the file admin/code/tce_xml_users.php of the component XML Export. Performing a manipulation results in cross site scripting. Remote exploitation of the attack is possible. There are still doubts about whether this vulnerability truly exists. Upgrading to version 16.6.1 is able to address this issue. The patch is named 899b5b2fa09edfe16043f07265e44fe2022b7f12. It is suggested to upgrade the affected component. When the vendor was informed about another security issue, he identified and fixed this flaw during analysis. He doubts the impact of this: "However, this is difficult to justify as security issue. It requires to be administrator to both create and consume the exploit. Administrators can do pretty much anything in the platform, so I don't see the point of this from a security perspective." This is reflected by the CVSS vector.

Executive ViewAI

Why It Matters

CVE-2026-4169 is a low-severity vulnerability in Tecnick TCExam involving cross-site scripting (CVSS 2.4). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation. A patch is available and can be applied during standard maintenance windows.

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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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

24
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +24
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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