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CVE-2021-24423

MEDIUM 4.8 CVSS 3.1
Published
January 24, 2022
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Description

The UpdraftPlus WordPress Backup Plugin WordPress plugin before 1.6.59 does not sanitise its updraft_service settings, allowing high privilege users to set malicious JavaScript payload in it and leading to a Stored Cross-Site Scripting issue

Affected WordPress components

  • UpdraftPlus: WP Backup & Migration Plugin Plugin · updraftplus
    Confirmed match Active
    From 1.6.59 (including) to 1.6.59 (excluding); Before 1.16.59
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown UpdraftPlus WordPress Backup Plugin — From 1.6.59 (including) to 1.6.59 (excluding)
  • updraftplus updraftplus — Before 1.16.59

References

  • m0ze.ru https://m0ze.ru/vulnerability/%5B2021-05-09%5D-%5BWordPress%5D-%5BCWE-79%5D-UpdraftPlus-WordPress-Plugin-v1.16.56.txt
  • wpscan.com https://wpscan.com/vulnerability/541974d6-2df8-4497-9aee-afd3b9024102 Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record