CVE-2026-3124 Business logic in Download Monitor
Unauthenticated attackers can complete arbitrary high-value orders by exploiting a token mismatch, resulting in theft of paid digital goods.
- 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-2026-3124?
CVE-2026-3124 is a high-severity vulnerability in wpchill Download Monitor, published on 30 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Download Monitor plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.7 via the executePayment() function due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to complete arbitrary pending orders by exploiting a mismatch between the PayPal transaction token and the local order, allowing theft of paid digital goods by paying a minimal amount for a low-cost item and using that payment token to finalize a high-value order.
Weakness: CWE-639
Which versions are affected by CVE-2026-3124?
How do I fix CVE-2026-3124?
No fix has been published for CVE-2026-3124 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-3124 being exploited?
There is no known exploitation of CVE-2026-3124 in the wild and no public exploit code.
Sources
Also known as GHSA-r9gc-9vw9-725f.