CVE-2021-21389
BuddyPress privilege escalation via REST API
HIGH 8.8EPSS 13.5%
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.
- Affected
- buddypress · BuddyPress
- CVSS v3.1 NVD
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 GITHUB
- 8.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - CVSS v2.0 NVD
- 9.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C - EPSS
- 13.52% chance of exploitation in the next 30 days, 96th percentile
- Nuclei
- high · CWE-863
- Published
- 2021-03-26
- Updated
- 2024-08-03
Proof-of-concept exploits (4)
- HoangKien1020/CVE-2021-2138919★ · 2021-05-31
- kal1gh0st/BuddyPress-API-Privilege-Escalation-to-RCE1★ · 2021-06-03
- liaboveall/SecureGuard-WAF1★ · 2025-10-09
- mynameSumin/CVE-2021-213890★ · 2024-12-09
Nuclei templates (1)
Security advisories
- https://buddypress.org/2021/03/buddypress-7-2-1-security-release
- https://codex.buddypress.org/releases/version-7-2-1
- buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3
- advisories/GHSA-m6j4-8r7p-wpp3