A critical security vulnerability in Microsoft SharePoint Server has been weaponized as part of an "active, large-scale" exploitation campaign.
The zero-day flaw, tracked as CVE-2025-53770 (CVSS score: 9.8), has been described as a variant of CVE-2025-49704 (CVSS score: 8.8), a code injection and remote code execution bug in Microsoft SharePoint Server that was addressed by the tech giant as
A vulnerability was found in Rails Thor up to 1.3.x. It has been declared as critical. This vulnerability affects unknown code of the component Shell Command Handler. The manipulation leads to os command injection.
This vulnerability was named CVE-2025-54314. Local access is required to approach this attack. There is no exploit available.
It is recommended to upgrade the affected component.
Cybersecurity researchers have alerted to a supply chain attack that has targeted popular npm packages via a phishing campaign designed to steal the project maintainers' npm tokens.
The captured tokens were then used to publish malicious versions of the packages directly to the registry without any source code commits or pull requests on their respective GitHub repositories.
The list of affected