The localization functionality in TWiki before 5.1.3, and Foswiki 1.0.x through 1.0.10 and 1.1.x through 1.1.6, allows remote attackers to cause a denial of service (memory consumption) via a large integer in a %MAKETEXT% macro.
Multiple cross-site scripting (XSS) vulnerabilities in JumpBox before 1.1.2 for Foswiki Wiki System allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.