CVE-2021-43847: medium-severity vulnerability in humhub
Authorization Bypass in Space Invite in HumHub
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 1.2%
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
humhub · humhubRelated CVEs — humhub
In the same product, most dangerous first.
CVE-2022-24865MEDIUMImproper access control in humhubEPSS 1.2%CVE-2022-31133MEDIUMCross site scripting in HumHubEPSS 0.7%CVE-2026-47657HIGHHumHub Missing Authorization on Remove All Space Members ActionEPSS 0.4%CVE-2025-64442HIGHHumHub is vulnerable to XSS through its Meta Search componentEPSS 0.2%CVE-2026-29048MEDIUMHumHub: XSS in Button componentEPSS 0.2%