Zero-Day Vulnerability in Popular CMS Patched

A critical zero-day vulnerability was discovered in a widely-used content management system (CMS) primarily hosted in **Germany**, prompting emergency patches from the vendor. The flaw allowed unauthenticated attackers to execute arbitrary code remotely by exploiting a flaw in the CMS’s plugin API. German cybersecurity authorities issued a national advisory urging all website administrators to update immediately.

Several government and educational websites in Germany were reportedly impacted by this exploit before the patch was released. Security analysts observed active exploitation attempts originating from multiple IP addresses, many linked to threat actors in Eastern Europe. While no major data breaches have been confirmed, web defacement and backdoor implantations were reported on a few regional portals.

The German Federal Office for Information Security (BSI) collaborated with the CMS developers to roll out an emergency update. Administrators are advised to not only apply the patch but also scan for indicators of compromise (IoCs). Experts emphasize the importance of frequent software updates and disabling unnecessary plugins to minimize exposure in the future.

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