CVE-2025-14320 PUBLISHED

XSS in Tegsoft's Online Support Application

Assigner: TR-CERT
Reserved: 09.12.2025 Published: 04.05.2026 Updated: 04.05.2026

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Tegsoft Management and Information Services Trade Limited Company Online Support Application allows Reflected XSS.

This issue affects Online Support Application: from V3 through 31122025.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Tegsoft Management and Information Services Trade Limited Company
Product	Online Support Application
Versions	Default: unaffected affected from V3 to 31122025 (incl.)

Credits

Selay YURDAGÜL finder

References

https://www.usom.gov.tr/bildirim/tr-26-0142

Problem Types

CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') CWE

Impacts

CAPEC-591 Reflected XSS