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CVE-2023-5109

MEDIUM 5.4 CVSS 3.1
Published
October 20, 2023
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 WP Mailto Links – Protect Email Addresses plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'wpml_mailto' shortcode in versions up to, and including, 3.1.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This was partially patched in version 3.1.3 and fully patched in version 3.1.4.

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

  • onlineoptimisation WP Mailto Links – Protect Email Addresses — Up to and including 3.1.3
  • ironikus wp_mailto_links — Before 3.1.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-mailto-links/tags/3.1.2/core/includes/classes/class-wp-mailto-links-validate.php#L582 Exploit
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/ec882062-0059-47ca-a007-3347e7adb70b?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record