Tcexam
CVE-2021-20115
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
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 | CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.3. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.3. The paths provided in the f, d, and dir parameters in tce_filemanager.php were not properly validated and could cause reflected XSS via the unsanitized output of the path supplied. An attacker could craft a malicious link which, if triggered by an administrator, could result in the attacker hijacking the victim's session or performing actions on their behalf. Affected products include: Tecnick Tcexam.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.3. The paths provided in the f, d, and dir parameters in tce_filemanager.php were not properly validated and could cause reflected XSS via the unsanitized output of the path supplied. An attacker could craft a malicious link which, if triggered by an administrator, could result in the attacker hijacking the victim's session or performing actions on their behalf.
Threat Intelligence Overview
NVD
CVE.org
EPSS
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)NVD
When installed following the default/recommended settings, TCExam <= 14.8.1 allowed unauthenticated users to access the
Cross-site request forgery in TCExam 14.2.2 allows a remote attacker to perform sensitive application actions by trickin
Multiple SQL injection vulnerabilities in TCExam before 11.3.008 allow remote authenticated users with level 5 or greate
A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.4. Rated medium severity (CVSS 6.1), this vulner
Insufficient output sanitization in TCExam 14.2.2 allows a remote, unauthenticated attacker to conduct persistent cross-
Insufficient output sanitization in TCExam 14.2.2 allows a remote, unauthenticated attacker to conduct persistent cross-
Multiple SQL injection vulnerabilities in Nicola Asuni TCExam before 11.3.009 allow remote authenticated users with leve
A stored cross-site scripting vulnerability exists in TCExam <= 14.8.1. Rated medium severity (CVSS 5.4), this vulnerabi
A stored cross-site scripting vulnerability exists in TCExam <= 14.8.1. Rated medium severity (CVSS 5.4), this vulnerabi
Insufficient output sanitization in TCExam 14.2.2 allows a remote, authenticated attacker to conduct persistent cross-si
Insufficient output sanitization in TCExam 14.2.2 allows a remote, authenticated attacker to conduct persistent cross-si
Insufficient output sanitization in TCExam 14.2.2 allows a remote, authenticated attacker to conduct persistent cross-si
GitHub PoC
Exploit-DB