CVE-2026-66708 HIGH

CVE-2026-66708: WordPress Total Upkeep plugin <= 1.17.2 - Broken Access Control vulnerability

Vendor Boldgrid
Product Total Upkeep
Weakness CWE-862 · Missing authorization
Published August 6, 2026
Last update August 6, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in Total Upkeep <= 1.17.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Total Upkeep through version 1.17.2 lacks proper authorization checks, allowing unauthenticated attackers to modify site data and cause service disruptions. The vulnerability requires no special access or user interaction. Site administrators should update immediately to a version newer than 1.17.2.

What an attacker can do

03Attacker Capabilities

Modify site data and disrupt service availability without authentication.

Potential impact on your site

04Site Impact

Attackers can alter site content and cause downtime without needing valid credentials.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 6, 2026 CVE published
August 6, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-66470 WordPress Frontend Admin by DynamiApps plugin <= 3.29.10 - Broken Access Control vulnerability CVE-2026-65554 WordPress AnsPress – Question and answer plugin 4.4.4 - Broken Access Control vulnerability CVE-2026-16774 WPBot <= 8.5.9 - Missing Authorization to Unauthenticated Email Relay via wpcs_send_email AJAX Action CVE-2026-18436 MailerPress <= 1.5.0 - Missing Authorization to Unauthenticated Arbitrary Modification via REST API Endpoint CVE-2026-13110 StoreGrowth: Smart Sales Booster for WooCommerce | BOGO, Upsells, Direct Checkout, Quick View, Side Cart <= 2.1.0 - Missing Authorization to Unauthenticated Arbitrary Plugin Settings Modification via bogo_category_msg_create AJAX Action