Webmail
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Roundcube Webmail contains a critical PHP object deserialization vulnerability (CVE-2025-49113, CVSS 9.9) that allows authenticated users to achieve remote code execution through a crafted upload URL. With EPSS 90.4% and KEV listing, this vulnerability in one of the most widely deployed open-source webmail platforms enables any email user to compromise the mail server, accessing all hosted mailboxes.
Cross-Site Scripting (XSS) vulnerability in Roundcube Webmail 1.6.9 allows remote authenticated users to upload a malicious file as an email attachment, leading to the triggering of the XSS by. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Roundcube Webmail contains a critical PHP object deserialization vulnerability (CVE-2025-49113, CVSS 9.9) that allows authenticated users to achieve remote code execution through a crafted upload URL. With EPSS 90.4% and KEV listing, this vulnerability in one of the most widely deployed open-source webmail platforms enables any email user to compromise the mail server, accessing all hosted mailboxes.
Cross-Site Scripting (XSS) vulnerability in Roundcube Webmail 1.6.9 allows remote authenticated users to upload a malicious file as an email attachment, leading to the triggering of the XSS by. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.