A security researcher has found several vulnerabilities in the popular open-source Horde web email software that allow hackers to near-invisibly steal the contents of a victim’s inbox.
Horde is one of the most popular free and open-source web email systems available. It’s built and maintained by a core team of developers, with contributions from the wider open-source community. It’s used by universities, libraries and many web hosting providers as the default email client.
