CVE-2021-43847 Information

Description

HumHub is an open-source social network kit written in PHP. Prior to HumHub version 1.10.3 or 1.9.3 it could be possible for registered users to become unauthorized members of private Spaces. Versions 1.10.3 and 1.9.3 contain a patch for this issue.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://huntr.dev/bounties/943dad83-f0ed-4c74-ba81-7dfce7ca0ef2/ https://github.com/humhub/humhub/releases/tag/v1.10.3 https://github.com/humhub/humhub/pull/5473 https://github.com/humhub/humhub/releases/tag/v1.9.3 https://github.com/humhub/humhub/security/advisories/GHSA-f5hc-5wfr-7v74

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5