# CVE-2026-57364: WPDeveloper Better Payment improper input validation in ACLs

Source: https://junglewise.ai/threats/cve-2026-57364-wpdeveloper-better-payment-improper-input-validation-in-acls  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-13. Updated: 2026-07-13  
License: CC BY 4.0 with a link back

CVE-2026-57364 · Severity: medium · CVSS 6.5 · Published 2026-07-13

A security vulnerability exists in the Better Payment plugin for WordPress, which is used to process donations, subscriptions, and instant payments. The flaw allows unauthorized users to bypass certain access controls by providing manipulated quantity inputs. This could lead to unauthorized access to payment-related functions or disruptions in how donations and subscriptions are processed.

Vendors: [WPDeveloper](https://junglewise.ai/threats/vendors/wpdeveloper).

## Quick answers

**Is CVE-2026-57364 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-57364 being exploited in the wild.

**How severe is CVE-2026-57364?** Medium severity, with a CVSS score of 6.5, published 13 July 2026.

**Which products and versions are affected?** WPDeveloper Better Payment <= 2.2.0.

**Is there a fix for CVE-2026-57364?** A patch was published on 2026-07-06: Version 2.2.1 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-57364 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-57364?** Check whether you run WPDeveloper Better Payment at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The Better Payment plugin (versions <= 2.2.0) for WordPress suffers from an 'Improper Validation of Specified Quantity in Input' vulnerability (CWE-1284). This flaw allows an unauthenticated remote attacker to access functionality that is not properly constrained by Access Control Lists (ACLs) by manipulating input quantities. The vulnerability is rated with a CVSS 3.1 base score of 6.5, indicating a medium impact on integrity and availability. Users are advised to update to version 2.2.1 or later to remediate the issue.

## Affected products

- WPDeveloper Better Payment – Instant Payments, Donations, Fundraising with Subscriptions & More <= 2.2.0

## Timeline

- 2026-05-23: disclosed: Reported by dodoh4t via Patchstack
- 2026-07-06: patched: Version 2.2.1 released
- 2026-07-13: advisory: NVD publication date

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/Wordpress/Plugin/better-payment/vulnerability/wordpress-better-payment-instant-payments-donations-fundraising-with-subscriptions-more-plugin-2-2-0-other-vulnerability-type-vulnerability?_s_id=cve](https://patchstack.com/database/Wordpress/Plugin/better-payment/vulnerability/wordpress-better-payment-instant-payments-donations-fundraising-with-subscriptions-more-plugin-2-2-0-other-vulnerability-type-vulnerability?_s_id=cve)