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-2017-4267 Related Report #5312 Severity LOW Exploit Difficulty EASY Platform XenForo Description (Accidental) Permissions Escalation. Incorrect values in the "Not Set" column when customizing usergroup permissions for a specific area could lead an admin to grant more permissions than intended for that area. Does not affect Lite versions.
Discovered November 9, 2017 Resolved December 1, 2017 Patches Available 4.0.20 Patch Level 1
4.0.19 Patch Level 4
4.0.18 Patch Level 5
4.0.17 Patch Level 7
4.0.16 Patch Level 8
4.0.15 Patch Level 12
Workaround One might treat the "Not Set" values as unknown even if they are specified, in order to avoid acting on misleading information. Prior to 4.0.12, the "Not Set" column did not specify inherited values, so the misleading information did not exist.
Categories: XSS:4.0.12 XSS:4.0.12 Patch Level 1 XSS:4.0.12 Patch Level 10 XSS:4.0.12 Patch Level 2 XSS:4.0.12 Patch Level 3 XSS:4.0.12 Patch Level 4 XSS:4.0.12 Patch Level 5 XSS:4.0.12 Patch Level 6 XSS:4.0.12 Patch Level 7 XSS:4.0.12 Patch Level 8 XSS:4.0.12 Patch Level 9 XSS:4.0.13 XSS:4.0.13 Patch Level 1 XSS:4.0.13 Patch Level 10 XSS:4.0.13 Patch Level 11 XSS:4.0.13 Patch Level 2 XSS:4.0.13 Patch Level 3 XSS:4.0.13 Patch Level 4 XSS:4.0.13 Patch Level 5 XSS:4.0.13 Patch Level 6 XSS:4.0.13 Patch Level 7 XSS:4.0.13 Patch Level 8 XSS:4.0.13 Patch Level 9 XSS:4.0.14 XSS:4.0.14 Patch Level 1 More…