CVE-2026-3143 Total Upkeep <= 1.17.1 - Missing Authorization to Unauthenticated Rollback Cancellation
Unauthenticated attackers can cancel pending rollbacks in the Total Upkeep WordPress plugin, preventing automatic reversion of failed updates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3143?
CVE-2026-3143 is a medium-severity missing authorization vulnerability in Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid, published on 1 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-3143?
How do I fix CVE-2026-3143?
No fix has been published for CVE-2026-3143 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-3143 being exploited?
There is no known exploitation of CVE-2026-3143 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-g3c3-q2fm-f7g4.