BuddyPress privilege escalation via REST API

高 8.8CVE-2021-21389 · GHSA-m6j4-8r7p-wpp3 · 26/03/2021 公開 · 17/06/2026 更新

要点

CVE-2021-21389 は buddypress/buddypress, buddypress (buddypress) に影響する深刻度「高」 (CVSS 8.8) の脆弱性です。
今後30日間に悪用される確率（EPSS）：14.8%（全脆弱性の 96.7% より高い）。
対処：7.2.1 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
buddypress/buddypress Packagist	`≥ 5.0.0, < 7.2.1`	`7.2.1`
buddypress buddypress	`≥ 5.0.0, < 7.2.1`	`7.2.1`

概要

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

NVD の説明

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.