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Vulnerability record · CVE-2021-20116 · published 5 August 2021

CVE-2021-20116: Tecnick tcexam cross-site scripting vulnerability

Tecnick · Tcexam

A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.4. The paths provided in the f, d, and dir parameters in tce_select_mediafile.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.

6.1 CVSS 3.1 Medium EPSS 0.94% · top 40.7% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.94%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.4. The paths provided in the f, d, and dir parameters in tce_select_mediafile.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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tenable.com/security/research/tra-2021-32 ExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2021-32 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2021-20114Tecnick tcexam vulnerabilityWhen installed following the default/recommended settings, TCExam <= 14.8.1 allowed unauthenticated users to access the /cache/backup/ directory, whi…EPSS 6.0%7.4CVE-2020-5745Tecnick tcexam cross-site request forgery vulnerabilityCross-site request forgery in TCExam 14.2.2 allows a remote attacker to perform sensitive application actions by tricking legitimate users into click…EPSS 0.83%6.8CVE-2012-4237Tecnick tcexam sql injection vulnerabilityMultiple SQL injection vulnerabilities in TCExam before 11.3.008 allow remote authenticated users with level 5 or greater permissions to execute arbi…EPSS 2.4%6.8CVE-2010-2153Tecnick tcexam vulnerabilityUnrestricted file upload vulnerability in admin/code/tce_functions_tcecode_editor.php in TCExam 10.1.006 and 10.1.007 allows remote attackers to exec…EPSS 7.5%6.5CVE-2023-6554Tecnick tcexam missing authorization vulnerabilityWhen access to the "admin" folder is not protected by some external authorization mechanisms e.g. Apache Basic Auth, it is possible for any user to d…EPSS 0.58%6.1CVE-2021-20115Tecnick tcexam cross-site scripting vulnerabilityA 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 …EPSS 0.95%6.1CVE-2020-5748Tecnick tcexam cross-site scripting vulnerabilityInsufficient output sanitization in TCExam 14.2.2 allows a remote, unauthenticated attacker to conduct persistent cross-site scripting (XSS) attacks …EPSS 1.1%6.1CVE-2020-5750Tecnick tcexam cross-site scripting vulnerabilityInsufficient output sanitization in TCExam 14.2.2 allows a remote, unauthenticated attacker to conduct persistent cross-site scripting (XSS) attacks …EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2021-20116), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.