CVE-2017-17780

Name: CVE-2017-17780
Creator: NVD / NIST
Published: 2017-12-20T03:29:00.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2017-17780 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.95%

56.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mediaburst	Booking Calendar Sms	1.0.5
Mediaburst	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
Mediaburst	Gravity Forms	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.htmlExploit, Issue Tracking, Third Party Advisory, VDB Entry
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.phpIssue Tracking, Patch, Third Party Advisory
https://packetstormsecurity.com/files/145469/Clockwork-SMS-Cross-Site-Scripting.htmlExploit, Issue Tracking, Third Party Advisory, VDB Entry
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.phpIssue Tracking, Patch, Third Party Advisory

Timeline

Published: Dec 20, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-17780?

How severe is CVE-2017-17780?

CVE-2017-17780 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2017-17780?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-17780?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST