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CVE-2026-12801

MEDIUM 6.4 CVSS 3.1
Published
August 7, 2026
Last modified
August 12, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Range Slider 'data-label' and 'data-separator' attributes in all versions up to, and including, 3.5.43 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected WordPress components

  • Ultra Addons for Contact Form 7 Plugin · ultimate-addons-for-contact-form-7
    Confirmed match Active
    Up to and including 3.5.43
    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

  • themefic Ultra Addons for Contact Form 7 — Up to and including 3.5.43

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3586004/ultimate-addons-for-contact-form-7/trunk/addons/range-slider/js/range-slider.js
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/b111bfd5-3eff-4255-9123-cae38bfb73c3?source=cve
  • nvd.nist.gov Official NVD record