CVE-2026-93511 Premium Packages < 7.2.1 - Unauthenticated PayPal Webhook Signature Verification Bypass

Medium 5.3 Published Updated

Unauthenticated attackers can bypass PayPal webhook signature verification to forge payment confirmations and subscription cancellations in the Premium Packages 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-2026-93511?

CVE-2026-93511 is a medium-severity vulnerability in Unknown Premium Packages, 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 Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id they know.

Weakness: CWE-290

Which versions are affected by CVE-2026-93511?

How do I fix CVE-2026-93511?

No fix has been published for CVE-2026-93511 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-93511 being exploited?

There is no known exploitation of CVE-2026-93511 in the wild and no public exploit code.

Sources

Also known as GHSA-wv8r-wv6j-wh9g.

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