RCE in Holithemes Click To Chat –
CVE-2026-92097
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/cf625e34-1f51-42a3-8daa-a5188…
- plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc…
- plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc…
- plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc…
- plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc…
- plugins.trac.wordpress.org/changeset/3716433/click-to-chat-for-whatsapp/trunk/n…
Frequently asked questions
- What is CVE-2026-92097?
- CVE-2026-92097 is a critical-severity vulnerability in Holithemes Click To Chat –, classified under Code Injection. CVSS score: 9.1/10. Published 2026-10-14.
- How severe is CVE-2026-92097?
- Critical severity. CVSS v3 base score is 9.1 out of 10.