CVE-2026-88998CWE-345

CVE-2026-88998

Medium · published October 14, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
3.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00149 · 3.7th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-10-14T15:17Z
References (1)
https://wpscan.com/vulnerability/50fe4955-9193-4842-9ea6-1812d70d813e/ · [email protected]
EPSS history
Timeline
  • 16 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 14 OCT 10:27Z
    Tickera < 3.6.0.4 - Unauthenticated Order Payment Bypass via 2Checkout IPN
    cvelistv5
  • 14 OCT 10:27Z
    Tickera < 3.6.0.4 - Unauthenticated Order Payment Bypass via 2Checkout IPN
    cvelistv5