CVE-2021-21389
The vulnerability has been fixed in BuddyPress 7.2.1.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 14.81% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- buddypress/buddypress
- Source
- security-advisories@github.com
EPSS moved from 14.8% on 28 October 2026 to 14.8% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://buddypress.org/2021/03/buddypress-7-2-1-security-release/Release Notes, Vendor Advisory
- https://codex.buddypress.org/releases/version-7-2-1/Release Notes, Vendor Advisory
- https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3Third Party Advisory
- https://buddypress.org/2021/03/buddypress-7-2-1-security-release/Release Notes, Vendor Advisory
- https://codex.buddypress.org/releases/version-7-2-1/Release Notes, Vendor Advisory
- https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.