CVE-2026-3143 — The Total Upkeep – WordPress Backup Plugin plus Restore &
CVE-2026-3143 — 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 pos
What This Means For You
- If your environment is affected by CWE-862, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-3143 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-3143 - Total Upkeep WordPress Plugin Unauthorized Rollback Cancellation
title: CVE-2026-3143 - Total Upkeep WordPress Plugin Unauthorized Rollback Cancellation
id: scw-2026-05-01-ai-1
status: experimental
level: high
description: |
This rule detects attempts to exploit CVE-2026-3143 by sending a request to the WordPress AJAX endpoint with the 'action' parameter set to 'cli_cancel'. This specific action is vulnerable in the Total Upkeep plugin due to a missing capability check, allowing unauthenticated attackers to cancel pending rollbacks and potentially disrupt automated recovery processes after a failed update.
author: SCW Feed Engine (AI-generated)
date: 2026-05-01
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-3143/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/wp-admin/admin-ajax.php'
cs-uri-query|contains:
- 'action=cli_cancel'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-3143 | vulnerability | CVE-2026-3143 |
| CWE-862 | weakness | CWE-862 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 01, 2026 at 17:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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