Vulnerability · Published Oct 14, 2026 · Assigned by WPScan

CVE-2026-88998Tickera < 3.6.0.4 - Unauthenticated Order Payment Bypass via 2Checkout IPN

Medium 5.3

In plain English

A medium-severity insufficient verification of data authenticity in Tickera from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.1%top 95.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The Tickera WordPress plugin before 3.6.0.4 does not correctly verify the integrity of incoming payment notifications, and the validated signature does not cover the order or the amount, allowing unauthenticated attackers to forge a payment confirmation and mark arbitrary orders as paid without paying.

Affected products (as reported)

VendorProductVersions
Unknown Tickera 0 – before 3.6.0.4

Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References