EUVD-2026-71037
GHSA-hwxg-9xv5-wjh5
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Stored XSS requires low-privilege auth (PR:L), victim page-view (UI:R), and crosses into victim browser scope (S:C); no availability impact.
Primary rating from Vendor (TR-CERT).
CVSS VectorVendor: TR-CERT
Lifecycle Timeline
2DescriptionCVE.org
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Menulux Software Inc. Menulux Portal allows Stored XSS.
This issue affects Menulux Portal: before 20260903211448.
AnalysisAI
Stored cross-site scripting in Menulux Portal (all versions before 20260903211448) allows an authenticated low-privileged user to inject persistent malicious scripts into web pages that execute in the browsers of other users who view the affected content. The scope change (S:C in CVSS) indicates the attack crosses the boundary from the application into victim browsers, enabling session theft, credential harvesting, or UI redirection against any user who views the poisoned content. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid account on the Menulux Portal with at least low-level write privileges (sufficient to submit content that is subsequently rendered for other users). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.4 (Medium) score reflects a realistic threat profile: network-accessible (AV:N), low complexity (AC:L), but requiring low-privilege authentication (PR:L) and victim user interaction (UI:R), limiting automated mass exploitation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Menulux Portal to version 20260903211448 or later, which contains the vendor-released patch per the TR-CERT advisory at https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0989. … Detailed patch versions, workarounds, and compensating controls in full report. |
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More in Menulux Portal
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Plaintext password storage in Menulux Portal (CWE-256) exposes embedded credentials to any low-privileged authenticated
Missing authorization in Menulux Portal allows authenticated low-privileged users to access functionality not constraine
Same weakness CWE-79 – Cross-site Scripting (XSS)
View allShare
External POC / Exploit Code
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