CVE-2026-88998 Tickera < 3.6.0.4 - Unauthenticated Order Payment Bypass via 2Checkout IPN
Unauthenticated attackers can forge payment notifications to mark arbitrary orders as paid without actual payment, affecting Tickera plugin users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88998?
CVE-2026-88998 is a medium-severity vulnerability in Unknown Tickera, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-345
Which versions are affected by CVE-2026-88998?
How do I fix CVE-2026-88998?
No fix has been published for CVE-2026-88998 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-88998 being exploited?
There is no known exploitation of CVE-2026-88998 in the wild and no public exploit code.
Sources
Also known as GHSA-2xc5-5wv2-x948.