Click to Chat <= 4.44 - Unauthenticated Arbitrary Shortcode Execution via REQUEST_URI via {url} Placeholder
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| holithemes | Click to Chat – HoliThemes | up to 4.44 | — | No fix listed | CNA |
- Click to Chat – HoliThemes Vendorholithemes Affected up to 4.44 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-14 Threatist record created from CVE-2026-92097
- 2026-10-14 Alias added: GHSA-4768-hg42-39c5
- 2026-10-16 CISA SSVC decision points changed
References
Other 6
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cf625e34-1f51-42a3-8daa-a5188dea226e?source=cve
- https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greetings/greetings-1.php#L22
- https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greetings/greetings-2.php#L18
- https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greetings/class-ht-ctc-chat-greetings.php#L111
- https://plugins.trac.wordpress.org/browser/click-to-chat-for-whatsapp/tags/4.44/new/inc/greetings/class-ht-ctc-chat-greetings.php#L224
- https://plugins.trac.wordpress.org/changeset/3716433/click-to-chat-for-whatsapp/trunk/new/inc/greetings/greetings-1.php
More holithemes vulnerabilities
- TI-2022-04095 Click to Chat < 3.18.1 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
- TI-2024-03589 Click to Chat – HoliThemes <= 3.35 - Authenticated (Contributor+) Local File Inclusion CVSS 3.1HIGH 8.8
- TI-2026-06863 Click to Chat <= 4.39 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'num' Shortcode Parameter CVSS 3.1MEDIUM 6.4
- TI-2025-04791 Click to Chat <= 4.22 - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via data-no_number Parameter CVSS 3.1MEDIUM 6.4
- TI-2024-08924 WP SHAPES <= 1.0.0 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload CVSS 3.1MEDIUM 6.4
Sources
- CVE-2026-92097 · CVE Program
- CVE-2026-92097 · NVD
- FIRST EPSS
- GHSA-4768-hg42-39c5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences