Tecnick TCExam up to 16.6.0 XML Export tce_xml_users.php F_xml_export_users cross site scripting ⚔ [Disputed]

Summaryinfo

A vulnerability described as problematic has been identified in Tecnick TCExam up to 16.6.0. Affected by this vulnerability is the function F_xml_export_users of the file admin/code/tce_xml_users.php of the component XML Export. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2026-4169. The attack can be executed remotely. There is not any exploit available. There is ongoing doubt regarding the real existence of this vulnerability. Upgrading the affected component is recommended. 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.

Detailsinfo

A vulnerability has been found in Tecnick TCExam up to 16.6.0 and classified as problematic. This vulnerability affects the function F_xml_export_users of the file admin/code/tce_xml_users.php of the component XML Export. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

This vulnerability was named CVE-2026-4169. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The real existence of this vulnerability is still doubted at the moment. 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. By approaching the search of inurl:admin/code/tce_xml_users.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 16.6.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 899b5b2fa09edfe16043f07265e44fe2022b7f12 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-12213). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.3

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TCExam 16.6.1
Patch: 899b5b2fa09edfe16043f07265e44fe2022b7f12

Timelineinfo

03/14/2026 Advisory disclosed
03/14/2026 +0 days VulDB entry created
03/15/2026 +1 days VulDB entry last update

Sourcesinfo

Status: Confirmed
Disputed: 🔍

CVE: CVE-2026-4169 (🔒)
GCVE (CVE): GCVE-0-2026-4169
GCVE (VulDB): GCVE-100-351076
EUVD: 🔒

Entryinfo

Created: 03/14/2026 13:53
Updated: 03/15/2026 09:47
Changes: 03/14/2026 13:53 (59), 03/15/2026 09:47 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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