What’s Vulnerable › Vulnerabilities
CVE-2026-86827: BackWPup 3.3 - 5.7.6 - Unauthenticated Backup Job Execution via wp-cron.php
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-08 · updated 2026-10-08
- Weakness: CWE-862
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
- wp_media BackWPup – WordPress Backup & Restore Plugin: from 3.3 before 5.7.7 — fixed in 5.7.7
How to fix
Upgrade to a fixed version: wp_media BackWPup – WordPress Backup & Restore Plugin 5.7.7. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-86827 or the next vulnerability affects your stack