CVE-2023-43770

Summary

CVE-2023-43770 is a vulnerability affecting Roundcube webmail versions before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3. This issue allows Cross-Site Scripting (XSS) attacks through text/plain e-mail messages containing specially crafted links. The vulnerability lies in the behavior of Roundcube's string replacer, located in program/lib/Roundcube/rcube_string_replacer.php, which fails to properly sanitize user input. Successful exploitation could result in the execution of malicious scripts within the webmail interface. Users are advised to update to the latest version as soon as possible to address this security risk.

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