CVE-2026-77765 Details
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.
A vulnerability exists in the Better Payment WordPress plugin in versions prior to 2.3.4. The issue arises because the plugin does not perform server-side validation of the payment amount against the merchant's fixed price before processing the gateway charge. This flaw allows unauthenticated users to pay a reduced amount for items that are supposed to be sold at a fixed price.
Users are advised to update the Better Payment WordPress plugin to version 2.3.4 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 23, 2026CISA-ADP
Assessed Sep 23, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wpscan.com/vulnerability/932f8c74-1ded-40ee-b1fd-a328f3626f21/ | [email protected] | AdvisoryExploitRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-284 | Improper Access Control | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Better Payment | < 2.3.4 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 23, 2026 | CVE Modified | CISA-ADP |
| Sep 23, 2026 | New CVE Received | [email protected] |