Stored Cross-Site Scripting in Ultra Addons for Contact Form 7 WordPress Plugin
CVE-2026-12801

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Ultra Addons For Contact Form 7
Vendor
CVE Published:
7 August 2026

What is CVE-2026-12801?

The Ultra Addons for Contact Form 7 plugin for WordPress includes a vulnerability that allows attackers with contributor-level access to exploit the Range Slider's 'data-label' and 'data-separator' attributes. This flaw arises from inadequate input sanitization and output escaping, enabling the injection of arbitrary scripts. Once injected, these scripts can execute whenever a user accesses compromised pages, posing significant risks to website integrity and user data security.

Affected Version(s)

Ultra Addons for Contact Form 7 0 <= 3.5.43

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3586004/ulti...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Webbernaut
.