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CVE-2026-89047

MEDIUM 6.1 CVSS 3.1
Published
October 1, 2026
Last modified
October 3, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The Social Media Share Buttons & Social Sharing Icons plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the victim to be on a mobile user-agent and to click the WeChat share icon, though once the dialog opens, script execution is automatic and requires no further user interaction.

Affected WordPress components

  • Social Media Share Buttons & Social Sharing Icons Plugin · ultimate-social-media-icons
    Confirmed match Active
    Up to and including 3.0.1
    View on WordPress.org

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

  • inisev Social Media Share Buttons & Social Sharing Icons — Up to and including 3.0.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/ultimate-social-media-icons/tags/3.0.1/js/custom.js#L420
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/ultimate-social-media-icons/tags/3.0.1/libs/sfsi_widget.php#L1671
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3702016%40ultimate-social-media-icons&new=3702016%40ultimate-social-media-icons
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/0fae3a9b-5f9a-441b-9ac9-55f24e342187?source=cve
  • nvd.nist.gov Official NVD record