PHPSpreadsheet: Gnumeric reader unbounded gzip expansion causes memory exhaustion

Summary PhpSpreadsheet's Gnumeric reader reads attacker-supplied .gnumeric files into memory and, when the file starts with gzip magic bytes, calls gzdecode on the full compressed contents without enforcing a decompressed-size limit. A very small compressed .gnumeric file can expand to data large...

Cross-site Scripting (XSS)

Overview camaleoncms is a dynamic and advanced content management system based on Ruby on Rails as an alternative to Wordpress. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the image upload functionality. An attacker can execute arbitrary JavaScript on behalf o...