🔐 CVE Alert

CVE-2026-92097

CRITICAL 9.1

Click to Chat <= 4.44 - Unauthenticated Arbitrary Shortcode Execution via REQUEST_URI via {url} Placeholder

CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th

The Click to Chat for WhatsApp plugin for WordPress is vulnerable to Arbitrary Shortcode Execution in versions up to, and including, 4.44 This is due to the greetings_dialog() function building the {url} template placeholder from a sanitize_text_field()-filtered $_SERVER['REQUEST_URI'] on archive pages and then passing the substituted greeting content to do_shortcode() in the greetings-1 and greetings-2 templates, without stripping shortcode delimiters. Because wp_kses() runs against main_content BEFORE the {url} substitution, the attacker-controlled URL bytes reach do_shortcode() unfiltered. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes registered by WordPress core, the active theme, or any other plugin (e.

CWE CWE-94
Vendor holithemes
Product click to chat – holithemes
Published Oct 14, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

holithemes / Click to Chat – HoliThemes
0 ≤ 4.44

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/cf625e34-1f51-42a3-8daa-a5188dea226e?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greetings/greetings-1.php#L22 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greetings/greetings-2.php#L18 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greetings/class-ht-ctc-chat-greetings.php#L111 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greetings/class-ht-ctc-chat-greetings.php#L224 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3716433/click-to-chat-for-whatsapp/trunk/new/inc/greetings/greetings-1.php

Credits

Kuba