WPDeveloper Better Payment Plugin up to 2.2.0 on WordPress Payment Input Validator quantity input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3$0-$5k1.57

Summaryinfo

A vulnerability classified as critical has been found in WPDeveloper Better Payment Plugin up to 2.2.0. Impacted is an unknown function of the component Payment Input Validator. Performing a manipulation of the argument quantity results in input validation. This vulnerability was named CVE-2026-57364. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in WPDeveloper Better Payment Plugin up to 2.2.0. It has been classified as critical. This affects some unknown processing of the component Payment Input Validator. The manipulation of the argument quantity with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Improper Validation of Specified Quantity in Input vulnerability in WPDeveloper Better Payment – Instant Payments, Donations, Fundraising with Subscriptions &amp; More better-payment allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Better Payment – Instant Payments, Donations, Fundraising with Subscriptions &amp; More: from n/a through <= 2.2.0.

It is possible to read the advisory at patchstack.com. This vulnerability is uniquely identified as CVE-2026-57364 since 06/24/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/13/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/24/2026 CVE reserved
07/13/2026 +19 days Advisory disclosed
07/13/2026 +0 days VulDB entry created
07/13/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: patchstack.com
Status: Not defined

CVE: CVE-2026-57364 (🔒)
GCVE (CVE): GCVE-0-2026-57364
GCVE (VulDB): GCVE-100-377943

Entryinfo

Created: 07/13/2026 12:16
Changes: 07/13/2026 12:16 (55)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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