Critical RCE Vulnerability CVE-2026-48908 Found in JoomShaper SP Page Builder

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A high-severity vulnerability, CVE-2026-48908, has been identified in JoomShaper SP Page Builder, a widely used extension for the Joomla content management system. The flaw allows unauthenticated attackers to upload malicious PHP scripts disguised as legitimate media files due to inadequate validation of file extensions and MIME types. Once uploaded to a web-accessible directory, the script can be executed remotely, potentially leading to full system compromise, data theft, and lateral network movement. Cybersecurity platform HookProbe has developed a three-tiered detection framework using its HYDRA, NAPSE, and AEGIS engines to identify and block exploitation attempts at the network, behavioral, and OS levels respectively. Affected site administrators are advised to deploy appropriate detection rules and consult security documentation to harden their JoomShaper installations.

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