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CVE-2024-4487

MEDIUM 5.4 CVSS 3.1
Published
May 14, 2024
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
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 Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG uploads in versions up to, and including, 2.0.45 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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 Companion — Up to and including 2.0.45
  • creativethemes blocksy_companion — Before 2.0.46

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/blocksy-companion/tags/2.0.45/framework/features/svg.php#L20 Product
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3084198/#file18 Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/5208529c-4ac3-42a4-82d0-7f4d2e486236?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record