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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-92097
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-14 02:17:01 UTC
Updated2026-10-15 17:17:29 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Problem Types: CWE-94 | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1CNADECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Holithemes Click To Chat HoliThemes affected 4.44 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greeting... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/cf625e34-1f51-42a3-8daa-a5188... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greeting... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greeting... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset/3716433/click-to-chat-for-whatsapp/trunk/new/inc/gr... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greeting... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Kuba (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-09-15T15:19:57.000ZVendor Notified
CNA2026-10-13T12:25:30.000ZDisclosed

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