The versions listed below are known to be affected by this issue. If you are using one of those versions, you should update to a newer release that has no known vulnerabilities.
Common Name None VWE-ID VWE-2017-3992 Related Report None Severity LOW Exploit Difficulty Difficult Platform Affects all platforms supported by the vulnerable versions. Description Permissions escalation. If image support for a file-type is activated later, prior uploads of that type will be treated as images even if they now exceed the permitted width and height. Does not affect Lite versions.
Discovered August 24, 2017 Resolved September 13, 2017 Patches Available 4.0.19 Patch Level 1
4.0.18 Patch Level 2
4.0.17 Patch Level 4
4.0.16 Patch Level 5
4.0.15 Patch Level 9
4.0.14 Patch Level 12
Workaround Do not activate image support for any file-types in Content > Attachments or reduce the permitted dimensions after there are already uploads of the given type.
Categories: XSS:4.0.0, XSS:4.0.0 Alpha 1, XSS:4.0.0 Alpha 2, XSS:4.0.0 Alpha 3, XSS:4.0.0 Alpha 4, XSS:4.0.0 Alpha 5, XSS:4.0.0 Alpha 6, XSS:4.0.0 Alpha 7, XSS:4.0.0 Beta 1, XSS:4.0.0 Beta 2, XSS:4.0.0 Beta 3, XSS:4.0.0 Beta 4, XSS:4.0.0 Beta 5, XSS:4.0.0 Beta 6, XSS:4.0.0 Beta 7, XSS:4.0.0 Gamma 1, XSS:4.0.0 Gamma 2, XSS:4.0.0 Gamma 3, XSS:4.0.0 Gamma 4, XSS:4.0.0 Gamma 5, XSS:4.0.0 Gamma 6, XSS:4.0.0 Gamma 7, XSS:4.0.0 Patch Level 1, XSS:4.0.0 Patch Level 2, XSS:4.0.0 Patch Level 3, More…