Intel Chain
**CYBER THREAT ASSESSMENT** **Classification:** Technical Vulnerability CVE-2025-66376 affects Synacor Zimbra Collaboration Suite (ZCS) Classic UI across all affected versions. The vulnerability permits remote attackers to execute arbitrary JavaScript within user browsers via malicious CSS @import directives embedded in email HTML, bypassing standard XSS protections. Attack vectors require user interaction with crafted email content. ZCS deployments running unpatched instances present elevated risk for session hijacking and credential theft through this exploitation method.
Evidence Chain (1 linked intel)
Hungary elections: An Orbán victory would be good news for Europe, writes Gerolf Annemans of the “Patriots for Europe” group in the European Parliament in an op-ed for Euronews. Annemans says Orbán has become a symbol of resistance to centralisation. Source: News | Euronews RSS
China said it would resume flights between Taiwan and more cities on the mainland, as well as easing bans on Taiwanese food and TV shows. Source: World | Deutsche Welle
These are the fundamental detection model shifts cybersecurity teams need to make to keep up with the rising number of credential-based attacks. Source: darkreading
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