CVE-2021-21389
HIGH8.1EPSS 93.3%BuddyPress privilege escalation via REST API
Published: 10/6/2021Modified: 3/13/2026
Also known as:GHSA-m6j4-8r7p-wpp3
Description
### Impact It's possible for a non-privileged, regular user to obtain administrator rights by exploiting an issue in the BuddyPress REST API members endpoint. ### Patches 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://buddypress.org/2021/03/buddypress-7-2-1-security-release/ ### For more information If you have any questions or comments about this advisory: * Open an issue in [HackerOne](https://hackerone.com/wordpress)
Affected packages (1)
- Packagist/buddypress/buddypress>= 5.0.0, < 7.2.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-21389
- PATCHhttps://github.com/buddypress/BuddyPress
- WEBhttps://buddypress.org/2021/03/buddypress-7-2-1-security-release
- WEBhttps://codex.buddypress.org/releases/version-7-2-1
- WEBhttps://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3