ImageMagick vulnerability allows remote code execution

HackRead reports that a critical security flaw has been discovered in ImageMagick, a widely used software tool for image processing, potentially exposing millions of websites to severe risks. Researchers from Octagon Networks identified that a specially crafted image file can lead to remote code execution (RCE), granting attackers full control over web servers.

The vulnerability, dubbed a "magic byte shift," allows attackers to disguise malicious scripts as harmless image files. Even when configured with restrictive policies, ImageMagick can pass these malicious files to secondary tools like GhostScript, enabling attackers to read sensitive data or establish backdoors. The Magick Scripting Language (MSL) further allows attackers to escape sandboxes and move files across a system. This affects major Linux distributions, including Ubuntu, Debian, and Amazon Linux, with even the most secure settings proving ineffective due to how different tools are bundled. WordPress sites, particularly those using plugins like Gravity Forms, are also at high risk, with the potential for denial-of-service attacks by overwhelming servers with data.

A fix was implemented in some versions in November 2025, but it was not officially labeled as a security update, leaving many systems vulnerable. With no automated patches available, website administrators are responsible for manually securing their systems against this pervasive threat.

Source: HackRead