All vulnerabilities
CVE-2026-82841

UpdraftPlus 1.23.8 - 1.26.7 - Subscriber+ Remote Storage Credential Disclosure via Migration Notice

Unknown UpdraftPlus: WP Backup & Migration Plugin
Open in ThreatlineRecord JSON
CVSS
5.3Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.19%Chance of exploitation activity in the next 30 days, higher than 7% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1.26.8Also 2.26.8.26CVE List
Published27 Sep 2026Updated 28 Sep 2026CVE List

What fixes it

  • 1.26.8UpdraftPlus: WP Backup & Migration PluginCVE List
  • 2.26.8.26UpdraftPlus: WP Backup & Migration PluginCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

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.

Text from CVE List

Affected versions 2

  • UpdraftPlus: WP Backup & Migration Pluginaffected: 1.23.8 before 1.26.8CVE List
  • UpdraftPlus: WP Backup & Migration Pluginaffected: 2.23.8 before 2.26.8.26CVE List

References 1