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CVE-2026-8315

Stored XSS in Webbeyaz's Mediküm Web

MEDIUM

5.4

CVSS Score

Published: July 8, 2026 at 12:21 PM UTC

Updated: October 25, 2026 at 08:10 PM UTC

1 product affected across 1 vendorMedikum Web

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Severity

MEDIUM5.4

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Medikum Web · Webbeyaz Web Design

90%

v ≤ 08072026

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

US Government Resource

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMTR-CERT

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-79

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