CVE-2026-8315 PUBLISHED

Stored XSS in Webbeyaz's Mediküm Web

Assigner: TR-CERT
Reserved: 11.05.2026 Published: 08.07.2026 Updated: 08.07.2026

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Webbeyaz Web Design Mediküm Web allows Stored XSS.

This issue affects Mediküm Web: through 08072026. NOTE: The vendor was contacted and it was learned that the product is not supported.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS Score: 5.4

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

CVSS 3.1

Product Status

Vendor	Webbeyaz Web Design
Product	Mediküm Web
Versions	Default: unknown affected from 0 to 08072026 (incl.)

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0518

Problem Types

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

Impacts

CAPEC-592 Stored XSS