{"id":4339,"date":"2026-10-24T06:02:12","date_gmt":"2026-10-24T06:02:12","guid":{"rendered":"https:\/\/www.ucartz.com\/updates\/balbooa-gridbox-unauthenticated-sql-injection-vulnerability-cve-2026-65890-critical-severity\/"},"modified":"2026-10-24T06:02:15","modified_gmt":"2026-10-24T06:02:15","slug":"balbooa-gridbox-unauthenticated-sql-injection-vulnerability-cve-2026-65890-critical-severity","status":"publish","type":"post","link":"https:\/\/www.ucartz.com\/updates\/balbooa-gridbox-unauthenticated-sql-injection-vulnerability-cve-2026-65890-critical-severity\/","title":{"rendered":"Balbooa Gridbox Unauthenticated SQL Injection Vulnerability (CVE-2026-65890) \u2014 CRITICAL Severity"},"content":{"rendered":"<p>Joomla websites using the Balbooa Gridbox extension are currently at severe risk due to a critical security flaw, identified as CVE-2026-65890. This vulnerability is an unauthenticated SQL injection, meaning an attacker can exploit it without needing any login credentials or special access. It allows unauthorized individuals to inject malicious code into database queries, potentially leading to significant data breaches, including the exposure of user password hashes.<\/p>\n<p>This is part of a broader set of 23 vulnerabilities found in the Gridbox extension, some of which are already being actively exploited in real-world attacks. Website administrators and developers should take immediate action to protect their sites.<\/p>\n<h2>CVE Details<\/h2>\n<ul>\n<li><strong>Product:<\/strong> Balbooa Gridbox for Joomla!<\/li>\n<li><strong>CVE ID:<\/strong> CVE-2026-65890<\/li>\n<li><strong>Published Date:<\/strong> July 29, 2026<\/li>\n<li><strong>Last Modified Date:<\/strong> October 23, 2026<\/li>\n<li><strong>Status:<\/strong> Analyzed<\/li>\n<\/ul>\n<h2>Affected Products<\/h2>\n<p>This critical SQL injection vulnerability affects Balbooa Gridbox for Joomla! versions prior to 2.20.2. It&#8217;s crucial to note that further security issues were found in versions from 2.20.2 up to 2.20.3.1, which are addressed in Gridbox version 2.20.4.0. Therefore, any Joomla website running Gridbox 2.20.1 or older is directly exposed to this SQL injection and other severe flaws. Even sites on versions up to 2.20.3.1 require an update to the latest patched version for full protection.<\/p>\n<h2>Current Status<\/h2>\n<p>The situation is urgent. This specific SQL injection, along with other critical vulnerabilities within the Gridbox extension, is actively being exploited in the wild. Evidence from server logs and compromised sites shows attackers creating unauthorized administrator accounts and executing remote code. The Joomla Security Strike Team has also confirmed this active exploitation, highlighting the immediate danger to unpatched sites.<\/p>\n<h2>Severity Level<\/h2>\n<p>CVE-2026-65890 has been assigned a <strong>CRITICAL<\/strong> severity rating with a CVSS score of 9.8. This high score reflects the ease of exploitation (unauthenticated access), its widespread impact, and the potential for complete system compromise, including data exfiltration and remote code execution. Other related vulnerabilities identified in the same audit also carry CRITICAL scores, some reaching the maximum of 10.0, further emphasizing the extreme risk.<\/p>\n<h2>Possible Solutions<\/h2>\n<p>To safeguard your Joomla website running Balbooa Gridbox, follow these steps without delay:<\/p>\n<ol>\n<li><strong>Update Immediately:<\/strong> Upgrade your Balbooa Gridbox extension to version <strong>2.20.4.0<\/strong> or newer. This version contains the comprehensive fixes for CVE-2026-65890 and other recently discovered vulnerabilities. The update can be performed via Joomla&#8217;s Extensions updater or by downloading it directly from your Balbooa account.<\/li>\n<li><strong>Perform a Full Backup:<\/strong> Before initiating any updates, create a complete backup of your website. This ensures you have a recovery point in case any unforeseen issues arise during the update process.<\/li>\n<li><strong>Check for Compromise:<\/strong> Assume your site may have already been targeted. Look for suspicious administrator accounts you didn&#8217;t create, unexpected PHP files in web-accessible directories, or any recently modified files. Tools designed to detect rogue admin accounts and suspect content can be invaluable here.<\/li>\n<li><strong>Rotate Credentials:<\/strong> If your site has been running an affected version, consider all credentials, especially database and administrator passwords, as potentially compromised. Change them immediately.<\/li>\n<li><strong>Temporary Disabling:<\/strong> If an immediate update is not feasible, consider temporarily disabling the Gridbox extension on high-value sites if your website&#8217;s functionality can withstand it, until the patch can be applied.<\/li>\n<\/ol>\n<h2>References<\/h2>\n<p>https:\/\/mysites.guru\/blog\/gridbox-23-critical-vulnerabilities\/<br \/>\nhttps:\/\/www.balbooa.com\/gridbox<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Joomla websites using the Balbooa Gridbox extension are currently at severe risk due to a critical security flaw, identified as CVE-2026-65890. This vulnerability is an unauthenticated SQL injection,<\/p>\n","protected":false},"author":17,"featured_media":2649,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1328,980,763,696,695],"class_list":["post-4339","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security","tag-balbooa-gridbox","tag-joomla","tag-sql-injection","tag-vulnerability","tag-web-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Balbooa Gridbox Unauthenticated SQL Injection | Ucartz<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ucartz.com\/updates\/balbooa-gridbox-unauthenticated-sql-injection-vulnerability-cve-2026-65890-critical-severity\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Balbooa Gridbox Unauthenticated SQL Injection Vulnerability (CVE-2026-65890) \u2014 CRITICAL Severity - Ucartz Updates\" \/>\n<meta property=\"og:description\" content=\"Joomla websites using the Balbooa Gridbox extension are currently at severe risk due to a critical security flaw, identified as CVE-2026-65890. This vulnerability is an unauthenticated SQL injection,\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ucartz.com\/updates\/balbooa-gridbox-unauthenticated-sql-injection-vulnerability-cve-2026-65890-critical-severity\/\" \/>\n<meta property=\"og:site_name\" content=\"Ucartz Updates\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-24T06:02:12+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-24T06:02:15+00:00\" \/>\n<meta name=\"author\" content=\"Alex Joseph\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alex Joseph\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" 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