CVE-2026-87978 Paymob for WooCommerce < 4.1.14 - Unauthenticated Payment Bypass via Unverified Subscription Transaction Callback
Unauthenticated attackers can bypass payment verification to mark arbitrary orders as paid, leading to financial loss for store owners.
- 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-2026-87978?
CVE-2026-87978 is a medium-severity missing authorization vulnerability in Unknown Paymob for WooCommerce, published on 23 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Paymob for WooCommerce WordPress plugin before 4.1.14 does not verify the request signature on one branch of its payment webhook, allowing unauthenticated attackers to mark arbitrary WooCommerce orders as paid without any payment.
Weakness: CWE-345
Which versions are affected by CVE-2026-87978?
How do I fix CVE-2026-87978?
No fix has been published for CVE-2026-87978 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-2026-87978 being exploited?
There is no known exploitation of CVE-2026-87978 in the wild and no public exploit code.
Sources
Also known as GHSA-vpgv-m5mc-mgc7.