Switch CTA Box EUVD-2026-24652

| CVE-2026-4088 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-04-22 Wordfence GHSA-6jwx-v327-2xh9
6.4
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
Apr 22, 2026 - 10:00 vuln.today

DescriptionNVD

The Switch CTA Box plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wppw_cta_box' shortcode in all versions up to, and including, 1.1. This is due to insufficient input sanitization and output escaping on user-supplied post meta values including 'cta_box_button_link', 'cta_box_button_id', 'cta_box_button_text', and 'cta_box_description'. The shortcode reads post meta from a user-specified post ID and echoes these values directly into HTML output without any escaping functions (no esc_attr(), esc_url(), or esc_html()). This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

AnalysisAI

Stored Cross-Site Scripting in Switch CTA Box WordPress plugin up to version 1.1 allows authenticated contributors and above to inject arbitrary JavaScript through unsanitized post meta fields including button link, button ID, button text, and description. The vulnerability arises from direct output of user-supplied data into HTML without escaping functions, enabling attackers to execute malicious scripts whenever pages containing injected shortcodes are accessed by any visitor.

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EUVD-2026-24652 vulnerability details – vuln.today

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