Threat intelligence

Ultra Addons for Contact Form 7 <= 3.5.21 - Authenticated (Contributor+) Stored Cross-Site Scripting via UACF7_CUSTOM_FIELDS Shortcode

CVE-2025-6756 · ultimate-addons-for-contact-form-7

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Ultimate Addons For Contact Form 7 at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Ultra Addons for Contact Form 7 <= 3.5.21 - Authenticated (Contributor+) Stored Cross-Site Scripting via UACF7_CUSTOM_FIELDS Shortcode
Affected software: ultimate-addons-for-contact-form-7(Plugin)
Affected versions: ≤ 3.5.21
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2025-6756
Published: 30 June 2025
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 5b839658-c472-40f0-855f-7201baeb790f). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Ultimate Addons For Contact Form 7 version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Ultimate Addons For Contact Form 7 advisoriesBack to catalog