{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/whmcs-bridge--6.9/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":8.8,"id":"CVE-2026-14489"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["WHMCS Bridge \u003c= 6.9"],"_cs_severities":["high"],"_cs_tags":["wordpress","arbitrary-file-upload","remote-code-execution","web-vulnerability","plugin-vulnerability"],"_cs_type":"advisory","_cs_vendors":["Global Programming"],"content_html":"\u003cp\u003eCVE-2026-14489 details a critical arbitrary file upload vulnerability affecting the WHMCS Bridge plugin for WordPress, specifically in all versions up to and including 6.9. This flaw stems from inadequate file type validation within the \u003ccode\u003econnect()\u003c/code\u003e function, enabling authenticated attackers with at least \u0026quot;Custom-level\u0026quot; access to upload malicious files onto the compromised web server. Such capabilities pave the way for potential remote code execution (RCE) on the underlying system. The vulnerability carries a CVSS v3.1 Base Score of 8.8 (High), highlighting its severe impact. Organizations utilizing the WHMCS Bridge plugin must prioritize patching to mitigate the risk of server compromise and unauthorized data access.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains authenticated access to a WordPress site running the WHMCS Bridge plugin, with privileges of \u0026quot;Custom-level\u0026quot; or higher.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a specialized HTTP POST request targeting an endpoint that utilizes the vulnerable \u003ccode\u003econnect()\u003c/code\u003e function within the WHMCS Bridge plugin.\u003c/li\u003e\n\u003cli\u003eThis request includes a payload containing a malicious file, such as a PHP web shell, disguised to bypass any existing, but insufficient, server-side checks.\u003c/li\u003e\n\u003cli\u003eDue to the missing file type validation (CWE-434) in the \u003ccode\u003econnect()\u003c/code\u003e function, the WHMCS Bridge plugin processes and uploads the malicious file to the web server's filesystem.\u003c/li\u003e\n\u003cli\u003eThe attacker then issues a subsequent HTTP request to the location where the malicious file was uploaded (e.g., \u003ccode\u003e/wp-content/uploads/whmcs-bridge/malicious.php\u003c/code\u003e).\u003c/li\u003e\n\u003cli\u003eThe web server executes the malicious PHP file, granting the attacker remote code execution capabilities on the compromised server.\u003c/li\u003e\n\u003cli\u003eWith RCE, the attacker can establish persistence, exfiltrate sensitive data, or further compromise the hosting environment.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-14489 allows an authenticated attacker to achieve remote code execution on the affected web server. This can lead to complete compromise of the WordPress site, including web defacement, unauthorized data exfiltration (e.g., database credentials, user information), installation of backdoors for persistence, and potentially lateral movement within the hosting environment. Such an attack could result in significant reputational damage, regulatory fines, and extensive remediation costs for affected organizations. While no specific victim counts or sectors are currently identified, WordPress sites using the vulnerable plugin are at risk.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImmediately apply the latest security updates for the WHMCS Bridge plugin that address CVE-2026-14489. If an update is not available, consider disabling or uninstalling the plugin until a fix is released.\u003c/li\u003e\n\u003cli\u003eImplement robust web application firewall (WAF) rules to detect and block suspicious file uploads, particularly those containing executable extensions (\u003ccode\u003e.php\u003c/code\u003e, \u003ccode\u003e.phtml\u003c/code\u003e, \u003ccode\u003e.phar\u003c/code\u003e) to plugin directories on your webserver.\u003c/li\u003e\n\u003cli\u003eEnable comprehensive webserver access logging (e.g., Apache, Nginx) to capture \u003ccode\u003ecs-uri-stem\u003c/code\u003e, \u003ccode\u003ecs-uri-query\u003c/code\u003e, \u003ccode\u003ecs-method\u003c/code\u003e, and \u003ccode\u003esc-status\u003c/code\u003e for all requests, specifically monitoring for anomalous POST requests to \u003ccode\u003e/wp-content/plugins/whmcs-bridge/\u003c/code\u003e followed by GET requests to newly created executable files.\u003c/li\u003e\n\u003cli\u003eRegularly review file integrity monitoring (FIM) logs for unauthorized modifications or creations of files in web-accessible directories, especially \u003ccode\u003ewp-content\u003c/code\u003e.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-07-08T06:22:32Z","date_published":"2026-07-08T06:22:32Z","id":"https://feed.craftedsignal.io/briefs/2026-07-cve-2026-14489-whmcs-bridge-rce/","summary":"Authenticated attackers with Custom-level access or higher can exploit CVE-2026-14489, a missing file type validation vulnerability (CWE-434) in the `connect()` function of the WHMCS Bridge plugin for WordPress versions up to and including 6.9, to upload arbitrary files, potentially leading to remote code execution.","title":"CVE-2026-14489: WHMCS Bridge Plugin Arbitrary File Upload Leads to RCE","url":"https://feed.craftedsignal.io/briefs/2026-07-cve-2026-14489-whmcs-bridge-rce/"}],"language":"en","title":"CraftedSignal Threat Feed - WHMCS Bridge \u003c= 6.9","version":"https://jsonfeed.org/version/1.1"}