CVE-2021-21389

high-risk
Published 2021-03-26

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.

Do I need to act?

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93.3% chance of exploitation in next 30 days
EPSS score — higher than 7% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Buddypress

References (6)

Release Notes https://buddypress.org/2021/03/buddypress-7-2-1-security-release/
Release Notes https://codex.buddypress.org/releases/version-7-2-1/
Third Party Advisory https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3
Release Notes https://buddypress.org/2021/03/buddypress-7-2-1-security-release/
Release Notes https://codex.buddypress.org/releases/version-7-2-1/
Third Party Advisory https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3
53
/ 100
high-risk
Severity 28/34 · Critical
Exploitability 20/34 · Moderate
Exposure 5/34 · Minimal