React2Shell Vulnerability Under Widespread Attack Less Than a Week After Disclosure
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A critical React vulnerability dubbed React2Shell (CVE-2025-55182) is facing massive exploitation just days after its December 3rd disclosure. The maximum severity flaw earned a perfect 10 CVSS score and enables remote code execution in React applications.
China-linked threat groups began attacking within hours, but exploitation has now exploded across the threat landscape. Security firm Wiz documented attacks ranging from cryptomining to sophisticated backdoor campaigns targeting Next.js applications and Kubernetes environments. VulnCheck reported hundreds of exploit attempts by December 6th.
Over 2.1 million exposed web services run vulnerable frameworks, with the US leading exposure counts. While web application firewalls offer some protection, researchers warn bypass techniques exist. Organizations must prioritize patching over temporary mitigations.
Source: Dark Reading