CVE-2026-81767 HIGH

CVE-2026-81767: WordPress Simple Payment plugin <= 2.5.2 - Broken Access Control vulnerability

Vendor Yalla Ya!

Product Simple Payment

Weakness CWE-862 · Missing authorization

Published August 28, 2026

Last update August 28, 2026

View on NVD All CVEs

CVSS base score

7.5/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality None

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

Unauthenticated Broken Access Control in Simple Payment <= 2.5.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Simple Payment versions up to 2.5.2 lack proper authorization checks, allowing unauthenticated attackers to modify payment data or transaction records over the network. The vulnerability requires no user interaction and affects the integrity of payment information. Site administrators should update to a version newer than 2.5.2 immediately.

What an attacker can do

03Attacker Capabilities

Modify payment records or transaction data without authentication.

Potential impact on your site

04Site Impact

Payment data and transactions can be altered by unauthorized parties, risking fraud and financial loss.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 28, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-81767 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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