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-2018-4620 Related Report None Severity HIGH Exploit Difficulty EASY Platform Affects all platforms supported by the vulnerable versions. Description Legal. Under some versions of PHP, a user may be able to successfully upload a JPG image containing XMP metadata that is not preserved in resized versions of the image. Does not affect Lite versions.
Discovered July 18, 2018 Resolved July 18, 2018 Patches Available 4.0.23 Patch Level 1
4.0.22 Patch Level 3
4.0.21 Patch Level 4
4.0.20 Patch Level 7
4.0.19 Patch Level 10
Workaround In the Wiki admin panel, go to Content > Attachments, and for all filetypes with a JPG-related mime-type, set "Is this an image type?" = No.
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