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Medium · 5.3 CVE-2026-86827 EUVD-2026-94748GHSA-pcfw-vf4c-h2h5

BackWPup 3.3 - 5.7.6 - Unauthenticated Backup Job Execution via wp-cron.php

Published Oct 8, 2026 · Updated Oct 8, 2026 · Assigned by WPScan

Description

The BackWPup WordPress plugin before 5.7.7 does not verify that a request to its cron-triggered backup execution handler actually originates from WordPress's internal scheduled-event dispatch, allowing unauthenticated attackers to force any existing backup job to run immediately, independent of its configured trigger type or schedule.

Affected products

VendorProductAffectedFixed
— BackWPup 3.3 – < 5.7.7 5.7.7

References