Stored XSS in Menulux Software's Menulux Portal

Answer in brief

CVE-2026-18957 records a Unknown severity vulnerability in Stored XSS in Menulux Software's Menulux Portal. The current sources do not mark it as known exploited. The current feed maps Menulux Software Inc./Menulux Portal (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 4, 2026Updated Sep 4, 2026Source checked Sep 4, 2026First seen by HOL Sep 4, 2026Material review Sep 4, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Menulux Software Inc./Menulux Portal (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Menulux Software Inc./Menulux Portalgeneric	>=0 <20260903211448	20260903211448

Recommended response

Check inventory. Check lockfiles and deployed manifests for Menulux Software Inc./Menulux Portal.
Review the reported fix. Update Menulux Software Inc./Menulux Portal to 20260903211448 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 4, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 4, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 4, 2026

Sources and claim methodology

Source referencesiberguvenlik.gov.tr

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.