Vulnerability · Published Aug 26, 2026 · Assigned by WPScan

CVE-2026-77694Eventin < 4.1.19 - Unauthenticated Order Completion Without Payment via order_token

Medium 5.3

In plain English

A medium-severity missing authorization in Eventin from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 76.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Eventin	0 – before 4.1.19

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

https://wpscan.com/vulnerability/2670eac4-b630-4546-9b56-f19feabfa550/ exploit, vdb-entry, technical-description