CVE-2026-3143

Total Upkeep <= 1.17.1 - Missing Authorization to Unauthenticated Rollback Cancellation

5.3 MediumPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.26%Up 0.2 points since May 2, 2026

What each source reports

CVE List Score used 5.3

Total Upkeep <= 1.17.1 - Missing Authorization to Unauthenticated Rollback Cancellation

Record: CVE-2026-3143
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2026-26502 5.3

Record: EUVD-2026-26502
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-g3c3-q2fm-f7g4 5.3

The Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid plugin for...

Record: GHSA-g3c3-q2fm-f7g4
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 5.3

Record: CVE-2026-3143
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-862
Updated: 2026-11-02

Affected products

boldgrid total upkeep – wordpress backup plugin plus restore & migrate by boldgrid

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	ClimbMunchkin/fix-cve-2026-3143	2026-05-07

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-3143 is a medium vulnerability (CVSS 5.3) in Boldgrid Total Upkeep – Wordpress Backup Plugin Plus Restore & Migrate By Boldgrid, published May 1, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.