CVE-2026-87841 UnitechPay <= 1.0.6.3 - Unauthenticated Order Payment Bypass via Unsigned Webhook
Unauthenticated attackers can bypass payment verification to mark orders as paid or failed, compromising e-commerce integrity.
- 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-2026-87841?
CVE-2026-87841 is a medium-severity missing authorization vulnerability in Unknown UnitechPay, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The UnitechPay WordPress plugin through 1.0.6.3 does not verify the authenticity of the payment notifications it receives, allowing unauthenticated attackers to mark orders placed through it as paid without any payment being made, as well as to force other orders into a failed state.
Weakness: CWE-862
Which versions are affected by CVE-2026-87841?
How do I fix CVE-2026-87841?
No fix has been published for CVE-2026-87841 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-87841 being exploited?
There is no known exploitation of CVE-2026-87841 in the wild and no public exploit code.
Sources
Also known as GHSA-wvj2-mvv8-vc7f.