Eventin < 4.1.19 - Unauthenticated Order Completion Without Payment via order_token (CVE-2026-77694) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-77694

Eventin < 4.1.19 - Unauthenticated Order Completion Without Payment via order_token

Answer in brief

CVE-2026-77694 records a Unknown severity vulnerability in Eventin < 4.1.19 - Unauthenticated Order Completion Without Payment via order_token. The current sources do not mark it as known exploited. The current feed maps Unknown/Eventin (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 Aug 26, 2026Updated Aug 26, 2026Source checked Aug 26, 2026First seen by HOL Aug 26, 2026Material review Aug 26, 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 Unknown/Eventin (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/Eventingeneric	>=0 <4.1.19	4.1.19

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/Eventin.
Review the reported fix. Update Unknown/Eventin to 4.1.19 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 26, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source description

The Eventin WordPress plugin before 4.1.19 does not properly restrict which changes a guest checkout token is allowed to authorise on an order, allowing unauthenticated users to mark their own unpaid order as completed and be issued a valid paid ticket with no payment taken.

Quoted source text, attributed separately from HOL analysis.