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By Igal Zeifman

A cross-site scripting vulnerability in Microsoft Exchange Server’s Outlook Web Access lets an unauthenticated attacker execute arbitrary JavaScript in a victim’s browser session by sending a specially crafted email, and is already being exploited in the wild.

Read more about Emerging Threat: (CVE-2026-42897) Microsoft Exchange OWA Cross-Site Scripting via Crafted Email
By Igal Zeifman

An unauthenticated arbitrary file upload vulnerability in the Breeze Cache plugin for WordPress allows attackers to drop a PHP webshell onto the server through the plugin’s Gravatar-fetching function, leading to remote code execution on affected sites.

Read more about Emerging Threat: (CVE-2026-3844) WordPress Breeze Cache Plugin Unauthenticated File Upload