VWE-2021-6247 Viewing Source [template]Vulnerability | aka= | severity=Medium | difficulty=Easy | description=Denial of Service. A user can force an existing wiki attachment to become inaccessible by editing it and uploading a new version. | platform=XF2 | lite=no | issueid= | discover-date=October 6, 2021 | patch-date=October 25, 2021 | patches=4.1.2 Patch Level 3 4.1.1 Patch Level 8 | workaround= [/template] 397 characters