Vulnerability in BackWPup – WordPress Backup & Restore Plugin — CVE-2026-86827
MediumSeverity
0.2%Estimated exploit probability
400,000+ sitesInstalls
5.7.7Fixed in
What to do now
Update BackWPup – WordPress Backup & Restore Plugin to 5.7.7 or later.
Affected versions
- 3.3 to 5.7.6 (inclusive)
Affected: BackWPup – WordPress Backup & Restore Plugin (plugin, backwpup)
What the vulnerability is
The BackWPup – WordPress Backup & Restore Plugin plugin for WordPress is vulnerable to unauthorized access in versions 3.3 through 5.7.6. This is due to a missing capability check on a function. This makes it possible for unauthenticated attackers to perform an unauthorized action.