UpdraftPlus: WP Backup & Migration Plugin vulnerability

The UpdraftPlus: WP Backup & Migration Plugin WordPress plugin before 1.26.8, UpdraftPlus: WP Backup & Migration Plugin WordPress plugin before 2.26.8.26 does not have any capability check in a routine that outputs its stored remote storage settings into admin pages when the site is left in a particular post-migration state, allowing any authenticated user, such as a subscriber, to retrieve the credentials of the configured backup destinations, such as passwords and secret keys.

Published 27 Sep 2026Updated 28 Sep 20261 sources
CVSS 5.3

What happened

The UpdraftPlus: WP Backup & Migration Plugin WordPress plugin before 1.26.8, UpdraftPlus: WP Backup & Migration Plugin WordPress plugin before 2.26.8.26 does not have any capability check in a routine that outputs its stored remote storage settings into admin pages when the site is left in a particular post-migration state, allowing any authenticated user, such as a subscriber, to retrieve the credentials of the configured backup destinations, such as passwords and secret keys.

Affected versions

UpdraftPlus: WP Backup & Migration Plugin: 1.23.8 through before 1.26.8 (semver); 2.23.8 through before 2.26.8.26 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.