WordPress Click to Chat Plugin <= 3.35 is vulnerable to Local File Inclusion<\/p>
Software: Click to Chat<\/p>
Link: https:\/\/wordpress.org\/plugins\/click-to-chat-for-whatsapp\/#developers<\/p>
Affected Version <= 3.35<\/p>
Fixed in version 4.0 <\/p>","date":"2024-04-18"}],"impact":{"cvss":{"version":"3.1","vector":"CVSS:3.1\/AV:N\/AC:L\/PR:L\/UI:N\/S:U\/C:H\/I:H\/A:H","av":"n","ac":"l","pr":"l","ui":"n","s":"u","c":"h","i":"h","a":"h","score":"8.8","severity":"h","exploitable":"2.8","impact":"5.9"},"cvss3":{"version":"3.1","vector":"CVSS:3.1\/AV:N\/AC:L\/PR:L\/UI:N\/S:U\/C:H\/I:H\/A:H","score":"8.8","severity":"high","av":"network","ac":"low","pr":"low","ui":"none","s":"unchanged","c":"high","i":"high","a":"high","exploitable":"2.8","impact":"5.9"},"cwe":[{"cwe":"CWE-98","name":"Improper Control of Filename for Include\/Require Statement in PHP Program ('PHP Remote File Inclusion')","description":"The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in \"require,\" \"include,\" or similar functions."}],"ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","kev":false,"kev_date":null}}},{"uuid":"a90ceed6dca811f844f99d5fc1477c8b9b217b69af17fe7d14f8b19fc75b8ced","name":"Click to Chat – HoliThemes [click-to-chat-for-whatsapp] < 4.23","description":null,"operator":{"min_version":null,"min_operator":null,"max_version":"4.23","max_operator":"lt","unfixed":"0","closed":"0"},"source":[{"id":"CVE-2025-5336","name":"Click to Chat <= 4.22 - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via data-no_number Parameter","link":"https:\/\/www.cve.org\/CVERecord?id=CVE-2025-5336","description":"The Click to Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u2018data-no_number\u2019 parameter in all versions up to, and including, 4.22 to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","date":"0000-00-00"},{"id":"5c14a4680545880081bd7e9050e7b9226309b8f8","name":"Click to Chat <= 4.22 - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via data-no_number Parameter","link":"https:\/\/www.wordfence.com\/threat-intel\/vulnerabilities\/wordpress-plugins\/click-to-chat-for-whatsapp\/click-to-chat-422-authenticated-contributor-stored-dom-based-cross-site-scripting-via-data-no-number-parameter","description":"The Click to Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u2018data-no_number\u2019 parameter in all versions up to, and including, 4.22 to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","date":"2025-06-13"},{"id":"8c6c8ab646d8bc36ce7bfed77df5d571e0dfb104","name":"WordPress Click to Chat Plugin <= 4.22 is vulnerable to Cross Site Scripting (XSS)","link":"https:\/\/patchstack.com\/database\/wordpress\/plugin\/click-to-chat-for-whatsapp\/vulnerability\/wordpress-click-to-chat-plugin-4-22-authenticated-contributor-stored-dom-based-cross-site-scripting-via-data-no-number-parameter-vulnerability","description":"
WordPress Click to Chat Plugin <= 4.22 is vulnerable to Cross Site Scripting (XSS)<\/p>
Software: Click to Chat<\/p>
Fixed in version 4.23 <\/p>
Affected Version <= 4.22<\/p>
CVE: CVE-2025-5336<\/p>","date":"2025-06-17"},{"id":"EUVD-2025-18334","name":"EUVD-2025-18334","link":"https:\/\/euvd.enisa.europa.eu\/enisa\/EUVD-2025-18334","description":"The Click to Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u2018data-no_number\u2019 parameter in all versions up to, and including, 4.22 to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","date":"2025-06-14"}],"impact":{"cvss":{"version":"3.1","vector":"CVSS:3.1\/AV:N\/AC:L\/PR:L\/UI:N\/S:C\/C:L\/I:L\/A:N","av":"n","ac":"l","pr":"l","ui":"n","s":"c","c":"l","i":"l","a":"n","score":"6.4","severity":"m","exploitable":"3.1","impact":"2.7"},"cvss3":{"version":"3.1","vector":"CVSS:3.1\/AV:N\/AC:L\/PR:L\/UI:N\/S:C\/C:L\/I:L\/A:N","score":"6.4","severity":"medium","av":"network","ac":"low","pr":"low","ui":"none","s":"changed","c":"low","i":"low","a":"none","exploitable":"3.1","impact":"2.7"},"cwe":[{"cwe":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users."}],"ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","kev":false,"kev_date":null},"epss":"0.001"}},{"uuid":"fb4d109ce5fda4665c4377ac81f0f05d3347cd4f714103d1b5437788609c180d","name":"Click to Chat – HoliThemes [click-to-chat-for-whatsapp] < 4.40","description":null,"operator":{"min_version":null,"min_operator":null,"max_version":"4.40","max_operator":"lt","unfixed":"0","closed":"0"},"source":[{"id":"CVE-2026-7795","name":"CVE-2026-7795","link":"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-7795","description":"[en] The Click to Chat \u2013 WA Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the [chat] shortcode 'num' parameter in all versions up to, and including, 4.38. This is due to insufficient escaping when embedding user-supplied shortcode attribute values inside JavaScript string literals that are then placed in HTML event-handler attributes. The CCW_Shortcode::shortcode() function applies esc_attr() to the 'num' parameter (line 157), which converts single quotes to the HTML entity '. This entity-encoded value is then interpolated directly into a JavaScript window.open() call string delimited by single quotes (line 194\/221), and that complete string is placed verbatim into an HTML onclick attribute in the style template files (e.g., sc-style-1.php line 6). Because browsers HTML-decode event attribute values before executing the embedded JavaScript, the ' entities are decoded back to literal single quotes at runtime, allowing the injected payload to break out of the JavaScript string context and execute arbitrary code. This makes it possible for authenticated attackers with Contributor-level access and above to inject arbitrary web scripts into pages that will execute whenever a user clicks the WhatsApp chat button rendered by the [chat] shortcode.","date":"2026-06-06"},{"id":"7c43f06a9732698ee0cee47cf9612c266ec1a3dd","name":"Click to Chat <= 4.39 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'num' Shortcode Parameter","link":"https:\/\/www.wordfence.com\/threat-intel\/vulnerabilities\/wordpress-plugins\/click-to-chat-for-whatsapp\/click-to-chat-439-authenticated-contributor-stored-cross-site-scripting-via-num-shortcode-parameter","description":"The Click to Chat \u2013 WA Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the [chat] shortcode 'num' parameter in all versions up to, and including, 4.38. This is due to insufficient escaping when embedding user-supplied shortcode attribute values inside JavaScript string literals that are then placed in HTML event-handler attributes. The CCW_Shortcode::shortcode() function applies esc_attr() to the 'num' parameter (line 157), which converts single quotes to the HTML entity '. This entity-encoded value is then interpolated directly into a JavaScript window.open() call string delimited by single quotes (line 194\/221), and that complete string is placed verbatim into an HTML onclick attribute in the style template files (e.g., sc-style-1.php line 6). Because browsers HTML-decode event attribute values before executing the embedded JavaScript, the ' entities are decoded back to literal single quotes at runtime, allowing the injected payload to break out of the JavaScript string context and execute arbitrary code. This makes it possible for authenticated attackers with Contributor-level access and above to inject arbitrary web scripts into pages that will execute whenever a user clicks the WhatsApp chat button rendered by the [chat] shortcode.","date":"2026-06-05"},{"id":"EUVD-2026-34949","name":"EUVD-2026-34949","link":"https:\/\/euvd.enisa.europa.eu\/enisa\/EUVD-2026-34949","description":"The Click to Chat \u2013 WA Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the [chat] shortcode 'num' parameter in all versions up to, and including, 4.38. This is due to insufficient escaping when embedding user-supplied shortcode attribute values inside JavaScript string literals that are then placed in HTML event-handler attributes. The CCW_Shortcode::shortcode() function applies esc_attr() to the 'num' parameter (line 157), which converts single quotes to the HTML entity '. This entity-encoded value is then interpolated directly into a JavaScript window.open() call string delimited by single quotes (line 194\/221), and that complete string is placed verbatim into an HTML onclick attribute in the style template files (e.g., sc-style-1.php line 6). Because browsers HTML-decode event attribute values before executing the embedded JavaScript, the ' entities are decoded back to literal single quotes at runtime, allowing the injected payload to break out of the JavaScript string context and execute arbitrary code. This makes it possible for authenticated attackers with Contributor-level access and above to inject arbitrary web scripts into pages that will execute whenever a user clicks the WhatsApp chat button rendered by the [chat] shortcode.","date":"2026-06-06"}],"impact":{"cvss":{"version":"3.1","vector":"CVSS:3.1\/AV:N\/AC:L\/PR:L\/UI:N\/S:C\/C:L\/I:L\/A:N","av":"n","ac":"l","pr":"l","ui":"n","s":"c","c":"l","i":"l","a":"n","score":"6.4","severity":"m","exploitable":"0.0","impact":"0.0"},"cvss3":{"version":"3.1","vector":"CVSS:3.1\/AV:N\/AC:L\/PR:L\/UI:N\/S:C\/C:L\/I:L\/A:N","score":"6.4","severity":"medium","av":"network","ac":"low","pr":"low","ui":"none","s":"changed","c":"low","i":"low","a":"none","exploitable":"0.0","impact":"0.0"},"cwe":[{"cwe":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users."}],"ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","kev":false,"kev_date":null}}},{"uuid":"d0c810091bf10a779dd2d9fbf3b5cc213550c7809ea8d71412e46f06c2ab02d9","name":"Click to Chat – HoliThemes [click-to-chat-for-whatsapp] < 4.45","description":null,"operator":{"min_version":null,"min_operator":null,"max_version":"4.45","max_operator":"lt","unfixed":"0","closed":"0"},"source":[{"id":"CVE-2026-92097","name":"CVE-2026-92097","link":"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-92097","description":"[en] 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.","date":"2026-10-14"},{"id":"1ed51d4e8d5a568bb0159ec9718e1a51443770d8","name":"Click to Chat <= 4.44 - Unauthenticated Arbitrary Shortcode Execution via REQUEST_URI via {url} Placeholder","link":"https:\/\/www.wordfence.com\/threat-intel\/vulnerabilities\/wordpress-plugins\/click-to-chat-for-whatsapp\/click-to-chat-444-unauthenticated-arbitrary-shortcode-execution-via-request-uri-via-url-placeholder","description":"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.","date":"2026-06-05"}],"impact":{"cvss":{"version":"3.1","vector":"CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:N","av":"n","ac":"l","pr":"n","ui":"n","s":"u","c":"h","i":"h","a":"n","score":"9.1","severity":"c","exploitable":"0.0","impact":"0.0"},"cvss3":{"version":"3.1","vector":"CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:N","score":"9.1","severity":"critical","av":"network","ac":"low","pr":"none","ui":"none","s":"unchanged","c":"high","i":"high","a":"none","exploitable":"0.0","impact":"0.0"},"cwe":[{"cwe":"CWE-94","name":"Improper Control of Generation of Code ('Code Injection')","description":"The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment."}],"ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","kev":false,"kev_date":null}}}]},"updated":"1791956905"}