CVE-2021-21389

Description

BuddyPress is an open source WordPress plugin to build a community site. In releases of BuddyPress from 5.0.0 before 7.2.1 it's possible for a non-privileged, regular user to obtain administrator rights by exploiting an issue in the REST API members endpoint. The vulnerability has been fixed in BuddyPress 7.2.1. Existing installations of the plugin should be updated to this version to mitigate the issue.

References

https://codex.buddypress.org/releases/version-7-2-1/

Release NotesVendor Advisory

https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3

Third Party Advisory

https://buddypress.org/2021/03/buddypress-7-2-1-security-release/

Release NotesVendor Advisory

CvssV3 impact

BaseSeverity	HIGH
ConfidentialityImpact	HIGH
AttackComplexity	LOW
Scope	UNCHANGED
AttackVector	NETWORK
AvailabilityImpact	HIGH
IntegrityImpact	HIGH
PrivilegesRequired	LOW
BaseScore	8.8
VectorString	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version	3.1
UserInteraction	NONE

CvssV2 impact

AccessComplexity	LOW
ConfidentialityImpact	COMPLETE
AvailabilityImpact	COMPLETE
IntegrityImpact	COMPLETE
BaseScore	9
VectorString	AV:N/AC:L/Au:S/C:C/I:C/A:C
Version	2.0
AccessVector	NETWORK
Authentication	SINGLE