The WC Product Table Lite plugin for WordPress is vulnerable to CSS Injection in versions up to, and including, 5.6.0 via the 'laptop_scroll_offset' shortcode attribute exposed through the unauthenticated wcpt_ajax() AJAX handler. The handler is registered for wp_ajax_nopriv_wcpt_ajax, JSON-decodes attacker-supplied attributes, only allowlists key names (not values), applies a preg_replace that strips only [ ] < >, and passes the value through do_shortcode into wcpt_style__sticky_sidebar(), where it is interpolated verbatim into inline CSS ('top: {$top}px;' and 'max-height: calc(100vh - {$top}px);') with no numeric casting or CSS escaping. This makes it possible for unauthenticated attackers to inject arbitrary CSS declarations and rules on pages rendering a product table with sticky sidebar enabled, which can be leveraged for data exfiltration (via attribute-selector + background-image URLs), UI redressing, and phishing that bypasses CSPs permitting inline styles.
Metrics
Affected Vendors & Products
References
History
Tue, 18 Aug 2026 20:30:00 +0000
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ssvc
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Mon, 17 Aug 2026 10:45:00 +0000
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Wcproducttable
Wcproducttable product Table And List Builder For Woocommerce Lite Wordpress Wordpress wordpress |
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| Vendors & Products |
Wcproducttable
Wcproducttable product Table And List Builder For Woocommerce Lite Wordpress Wordpress wordpress |
Sun, 16 Aug 2026 04:45:00 +0000
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| Description | The WC Product Table Lite plugin for WordPress is vulnerable to CSS Injection in versions up to, and including, 5.6.0 via the 'laptop_scroll_offset' shortcode attribute exposed through the unauthenticated wcpt_ajax() AJAX handler. The handler is registered for wp_ajax_nopriv_wcpt_ajax, JSON-decodes attacker-supplied attributes, only allowlists key names (not values), applies a preg_replace that strips only [ ] < >, and passes the value through do_shortcode into wcpt_style__sticky_sidebar(), where it is interpolated verbatim into inline CSS ('top: {$top}px;' and 'max-height: calc(100vh - {$top}px);') with no numeric casting or CSS escaping. This makes it possible for unauthenticated attackers to inject arbitrary CSS declarations and rules on pages rendering a product table with sticky sidebar enabled, which can be leveraged for data exfiltration (via attribute-selector + background-image URLs), UI redressing, and phishing that bypasses CSPs permitting inline styles. | |
| Title | Product Table & List Builder For WooCommerce <= 5.6.0 - Unauthenticated CSS Injection via 'laptop_scroll_offset' Parameter | |
| Weaknesses | CWE-74 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Wordfence
Published: 2026-08-16T04:24:53.729Z
Updated: 2026-08-18T19:18:37.400Z
Reserved: 2026-07-10T19:06:47.337Z
Link: CVE-2026-15441
Updated: 2026-08-18T19:18:34.444Z
Status : Deferred
Published: 2026-08-16T05:16:47.010
Modified: 2026-08-20T12:48:10.287
Link: CVE-2026-15441
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