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-2017-4004 Related Report None Severity MINOR Exploit Difficulty EASY Platform Affects all platforms supported by the vulnerable versions. Description Permissions escalation. For some file types, a user can upload images with a higher width or height than allowed as long as the number of pixels is smaller than the permitted amount. Does not affect Lite versions.
Discovered August 12, 2017 Resolved September 24, 2017 Patches Available 4.0.19 Patch Level 2
4.0.18 Patch Level 3
4.0.17 Patch Level 5
4.0.16 Patch Level 6
4.0.15 Patch Level 10
Workaround In Content > Attachments, for each image file-type, set both maximum width and maximum height to the same number.
Categories: 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, XSS:4.0.0 Patch Level 4, More…