CVE-2026-86827

Medium

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductBackWPup
PublishedOct 8, 2026
First seenOct 8, 2026

How to fix

Update
  • BackWPup5.7.7 or later

Affected products

ProductAffected versionsFixed in
BackWPup3.3 ≤ v < 5.7.75.7.7

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