Security Advisory

CVE-2026-4088

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-22 07:45:31

Last updated 2026-04-23 13:42:30

Assigner Wordfence

State PUBLISHED

Description

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.

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