What’s Vulnerable › Vulnerabilities

CVE-2017-17780

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-12-20 · updated 2026-06-17
• Weakness: CWE-79

Description

The Clockwork SMS clockwork-test-message.php component has XSS via a crafted "to" parameter in a clockwork-test-message request to wp-admin/admin.php. This component code is found in the following WordPress plugins: Clockwork Free and Paid SMS Notifications 2.0.3, Two-Factor Authentication - Clockwork SMS 1.0.2, Booking Calendar - Clockwork SMS 1.0.5, Contact Form 7 - Clockwork SMS 2.3.0, Fast Secure Contact Form - Clockwork SMS 2.1.2, Formidable - Clockwork SMS 1.0.2, Gravity Forms - Clockwork SMS 2.2, and WP e-Commerce - Clockwork SMS 2.0.5.

Affected products

• Mediaburst Booking Calendar Sms: 1.0.5
• Clockwork SMS Notfications: 2.0.3
• Mediaburst Contact Form 7 Sms: 2.3.0
• Mediaburst Fast Secure Contact Form Sms: 2.1.2
• Mediaburst Formidable: 1.0.2
• gravityforms: 2.2
• Mediaburst Two-Factor Authentication: 1.0.2
• Mediaburst Wp E-Commerce: 2.0.5

References

• https://packetstormsecurity.com/files/145469/Clockwork-SMS-Cross-Site-Scripting.html
• https://plugins.trac.wordpress.org/changeset/1781424/clockwork-two-factor-authentication/trunk/templates/clockwork-test-message.php?old=706348&old_path=clockwork-two-factor-authentication%2Ftrunk%2Ftemplates%2Fclockwork-test-message.php
• https://packetstormsecurity.com/files/145469/Clockwork-SMS-Cross-Site-Scripting.html
• https://plugins.trac.wordpress.org/changeset/1781424/clockwork-two-factor-authentication/trunk/templates/clockwork-test-message.php?old=706348&old_path=clockwork-two-factor-authentication%2Ftrunk%2Ftemplates%2Fclockwork-test-message.php

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