CVE-2026-66691 CRITICAL

CVE-2026-66691: WordPress Nokri theme <= 1.6.6 - Broken Access Control vulnerability

Vendor Scriptsbundle

Product Nokri

Weakness CWE-640 · Weak password recovery

Published August 13, 2026

Last update August 13, 2026

View on NVD All CVEs

CVSS base score

9.8/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in Nokri <= 1.6.6 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Nokri versions up to 1.6.6 use a weak password recovery mechanism that allows attackers to reset user passwords without proper verification. An attacker can exploit this flaw over the network without authentication to gain unauthorized access to user accounts. The vulnerability affects confidentiality, integrity, and availability of the application.

What an attacker can do

03Attacker Capabilities

Reset any user's password and take over their account without authentication.

Potential impact on your site

04Site Impact

Attackers can compromise any user account, including administrators, leading to full site takeover.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

August 13, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-66691 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/640.html AskarLabs — CWE-640 write-up Weak Password Recovery Mechanism for Forgotten Password

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