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Back to active CVEs
Medium · CVSS 4.3CVE-2026-97219

MStore API 4.21.1 - 4.22.0 - Subscriber+ Payment Bypass via 'status' Parameter

Answer in brief

CVE-2026-97219 records a Medium severity (CVSS 4.3) vulnerability in MStore API 4.21.1 - 4.22.0 - Subscriber+ Payment Bypass via 'status' Parameter. The current sources do not mark it as known exploited. The current feed maps Unknown/MStore API (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 Oct 2, 2026Updated Oct 2, 2026Source checked Oct 2, 2026First seen by HOL Oct 2, 2026Material review Oct 2, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 4.3. 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 Unknown/MStore API (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Unknown/MStore APIgeneric>=4.21.1 <4.22.14.22.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/MStore API.
  2. 2Review the reported fix. Update Unknown/MStore API to 4.22.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 2, 2026

Sources and claim methodology

  • Source referencewpscan.com
Upstream source description

The MStore API WordPress plugin before 4.22.1 does not restrict which fields of an order a customer may update, allowing any authenticated user with a self-registerable account to change the status of their own unpaid order to a paid or fulfilled state and receive the goods without paying.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Unauthorized Cross-Chatbot Tool Invocation in HAVELSAN's Sef - AI Chatbot PlatformAlso CWE-862
  • Kubio AI Page Builder <= 2.9.2 - Unauthenticated Stored Cross-Site Scripting via SVG Comment Content (KSES Allowlist Bypass)Same generic ecosystem
  • Download Monitor <= 5.2.10 - Unauthenticated Stored Cross-Site Scripting via Cross-Origin postMessage to Admin EditorSame generic ecosystem
  • Otter Blocks <= 3.2.6 - Authenticated (Subscriber+) Sensitive Information Exposure in Form Submissions Dashboard WidgetSame generic ecosystem
  • CMB2 <= 2.13.1 - Unauthenticated Stored Cross-Site Scripting via 'textarea_code' FieldSame generic ecosystem
  • Relevanssi Premium <= 2.31.4 - Unauthenticated Stored Cross-Site Scripting via '_rt' ParameterSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-862
Source
CVE List V5
Source checked
Oct 2, 2026
References
1 linked source
Open source record