Security update 1.6.4 released

We just published a security update to the version 1.6 of Roundcube Webmail. It provides a fix to a recently reported XSS vulnerability:

• Fix cross-site scripting (XSS) vulnerability in handling of SVG in HTML messages (#9168) reported separately by Matthieu Faou (ESET) and Denys Klymenko.

See the full changelog in the release notes in the release notes on the Github download page.

We strongly recommend to update all productive installations of Roundcube 1.6.x with this new version.