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Servers and applications · WordPress plugins

CVE-2021-25089

UpdraftPlus: WP Backup & Migration Plugin: Cross-site Scripting

Severity
Medium 6.1
Published
28 Dec 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.16.69
Also known as
EUVD-2021-12001, WPV-649c62238f4e
Sources
NVD, WPVulnerability

Description

The UpdraftPlus WordPress Backup Plugin WordPress plugin before 1.16.69 does not sanitise and escape the updraft_restore parameter before outputting it back in the Restore page, leading to a Reflected Cross-Site Scripting

Affected software

SoftwareAffected versions
UpdraftPlusServers and applications · cpe:a:updraftplus:updraftplus
  • Every version before 1.16.69
UpdraftPlusWordPress plugins · wp-plugin:updraftplus
  • Every version before 1.16.69

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-25089
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-25089
  • Wordfence https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/updraftplus/updraftplus-wordpress-backup-plugin-11668-reflected-cross-site-scripting-via-updraft-restore