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CVE-2024-5439

MEDIUM 5.4 CVSS 3.1
Published
June 5, 2024
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-20, CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

The Blocksy theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the custom_url parameter in all versions up to, and including, 2.0.50 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Affected WordPress components

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

  • creativethemeshq Blocksy — Up to and including 2.0.50
  • creativethemes blocksy — Before 2.0.51

References

  • themes.trac.wordpress.org https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=229705%40blocksy%2F2.0.51&old=228990%40blocksy%2F2.0.50 Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/c05687f4-5ea2-4226-982f-c3499f204685?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record