CVE-2026-18031 TabaPay Gateway <= 1.4.0 - Unauthenticated Account Takeover via Payment Callback
Unauthenticated attackers can bypass authentication via payment callbacks to log in as any user, including administrators, in the TabaPay Gateway plugin.
- 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-2026-18031?
CVE-2026-18031 is a critical authentication bypass vulnerability in Unknown TabaPay Gateway, published on 19 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The TabaPay Gateway WordPress plugin through 1.4.0 does not validate the payment callback before establishing a session for the account associated with the referenced order, allowing unauthenticated attackers to log in as any registered user, including an administrator.
Weakness: CWE-287
Which versions are affected by CVE-2026-18031?
How do I fix CVE-2026-18031?
No fix has been published for CVE-2026-18031 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-18031 being exploited?
There is no known exploitation of CVE-2026-18031 in the wild and no public exploit code.
Sources
Also known as GHSA-37mv-8m3x-7xq5.