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CVE-2021-24574

MEDIUM 4.8 CVSS 3.1
Published
August 23, 2021
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 Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings, allowing high privilege users such as admin to use Cross-Site Scripting payload even when the unfiltered_html capability is disallowed.

Affected products and versions

  • Unknown Simple Banner — From 2.10.4 (including) to 2.10.4 (excluding)
  • simple_banner_project simple_banner — Before 2.10.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2571047/ Patch, Third Party Advisory
  • wpscan.com https://wpscan.com/vulnerability/9adf7022-5108-43b7-bf0e-a42593185b74 Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record