CVE-2026-65520 CRITICAL

CVE-2026-65520: WordPress WP OAuth Server plugin <= 6.2.0 - SQL Injection vulnerability

Vendor Miniorange

Product WP OAuth Server

Weakness CWE-89 · SQLi

Published August 6, 2026

Last update August 6, 2026

View on NVD All CVEs

CVSS base score

9.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity None

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated SQL Injection in WP OAuth Server <= 6.2.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP OAuth Server versions up to 6.2.0 contain a SQL injection vulnerability in the OAuth authentication flow. An attacker can craft malicious requests to extract sensitive data from the site's database, including user credentials and configuration details. The vulnerability requires no authentication and can be exploited remotely without user interaction.

What an attacker can do

03Attacker Capabilities

Extract sensitive data from the site database, including user credentials and OAuth tokens.

Potential impact on your site

04Site Impact

User accounts, passwords, and OAuth tokens may be compromised; attackers gain access to user data and site configuration.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 6, 2026 CVE published

August 6, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-65520 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/89.html AskarLabs — CWE-89 write-up SQL Injection

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