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CVE-2023-4893

MEDIUM 5.4 CVSS 3.1
Published
September 12, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-918
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Description

The Crayon Syntax Highlighter plugin for WordPress is vulnerable to Server Side Request Forgery via the 'crayon' shortcode in versions up to, and including, 2.8.4. This can allow authenticated attackers with contributor-level permissions or above to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

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

  • akarmenia Crayon Syntax Highlighter — Up to and including 2.8.4
  • aramk crayon-syntax-highlighter — Up to and including 2.8.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/crayon-syntax-highlighter/trunk/crayon_highlighter.class.php#L83 Broken Link
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/527f75f1-6361-4e16-8ae4-d38ca4589811?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record