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CVE-2026-3143— Total Upkeep <= 1.17.1 - Missing Authorization to Unauthenticated Rollback Cancellation

Quick assessment

Affected
boldgrid Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid 1.17.1及之前版本存在安全漏洞，该漏洞源于wp_ajax_cli

CVSS 5.3 · Medium EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
boldgrid Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid ≤ 1.17.1 affected
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I. Basic Information for CVE-2026-3143

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Total Upkeep <= 1.17.1 - Missing Authorization to Unauthenticated Rollback Cancellation
Source: CVE Program / CVE List V5
Vulnerability Description
The Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wp_ajax_cli_cancel' function in all versions up to, and including, 1.17.1. This makes it possible for unauthenticated attackers to cancel a pending rollback, potentially preventing a WordPress installation from automatically reverting a failed update.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid 1.17.1及之前版本存在安全漏洞，该漏洞源于wp_ajax_cli
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
boldgrid Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid 0 ~ 1.17.1 -

II. Public POCs for CVE-2026-3143

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III. Intelligence Information for CVE-2026-3143

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Vendor Advisories for CVE-2026-3143 (1)

IV. Related Vulnerabilities

Same product: Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid
Same vendor: boldgrid
Same weakness: CWE-862

V. Comments for CVE-2026-3143

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