How severe is CVE-2017-17780?

CVE-2017-17780 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-17780 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17780?

CVE-2017-17780 primarily affects Mediaburst Booking Calendar Sms. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-17780?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-17780 published?

CVE-2017-17780 was published on 2017-12-20 and last updated on 2026-06-17.

CVE-2017-17780

CVE-2017-17780 is a medium-severity vulnerability in Mediaburst Booking Calendar Sms with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mediaburst Booking Calendar Sms
Published: 2017-12-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-17780?: 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.
How severe is CVE-2017-17780?: CVE-2017-17780 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-17780 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17780?: CVE-2017-17780 primarily affects Mediaburst Booking Calendar Sms. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-17780?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-17780 published?: CVE-2017-17780 was published on 2017-12-20 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:mediaburst:booking_calendar_sms:1.0.5:*:*:*:*:wordpress:*:*
cpe:2.3:a:mediaburst:clockwork_sms_notfications:2.0.3:*:*:*:*:wordpress:*:*
cpe:2.3:a:mediaburst:contact_form_7_sms:2.3.0:*:*:*:*:wordpress:*:*
cpe:2.3:a:mediaburst:fast_secure_contact_form_sms:2.1.2:*:*:*:*:wordpress:*:*
cpe:2.3:a:mediaburst:formidable:1.0.2:*:*:*:*:wordpress:*:*
cpe:2.3:a:mediaburst:gravity_forms:2.2:*:*:*:*:wordpress:*:*
cpe:2.3:a:mediaburst:two-factor_authentication:1.0.2:*:*:*:*:wordpress:*:*
cpe:2.3:a:mediaburst:wp_e-commerce:2.0.5:*:*:*:*:wordpress:*:*

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →