CVE-2026-77765 Better Payment < 2.3.4 - Unauthenticated Payment Amount Manipulation
Unauthenticated attackers can manipulate payment amounts to pay less than the fixed price for items in the Better Payment WordPress 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-2026-77765?
CVE-2026-77765 is a medium-severity vulnerability in Unknown Better Payment, 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 Better Payment WordPress plugin before 2.3.4 does not validate the submitted payment amount server-side against the merchant's configured fixed price before building the gateway charge, allowing unauthenticated users to pay an arbitrary reduced amount for a fixed-price item.
Weakness: CWE-284
Which versions are affected by CVE-2026-77765?
How do I fix CVE-2026-77765?
No fix has been published for CVE-2026-77765 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77765 being exploited?
There is no known exploitation of CVE-2026-77765 in the wild and no public exploit code.
Sources
Also known as GHSA-h7x3-7cw4-64m2.