CVE-2021-21389 - CVE House
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Status published High CVE-2021-21389

BuddyPress privilege escalation via REST API

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2024-11976
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CVE-2024-10011
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CVE-2020-5244
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Affected Vendor

Affected Software

BuddyPress
Vulnerable Versions:
>= 5.0.0, < 7.2.1

Timeline

Official Publish: March 26th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses (CWE)

CWE-863

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1548 Abuse Elevation Control Mechanism
Privilege Escalation
T1021 Remote Services
Lateral Movement
T1098 Account Manipulation
Defense Evasion