Buddypress - Information Disclosure (CVE-2021-21389)
232Exploiting IPs reported
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.
CrowdSec analysis
CVE-2021-21389 is a vulnerability in the BuddyPress plugin for WordPress, where attackers can exploit the REST API members endpoint to elevate privileges from a regular user to administrator.
CrowdSec has been tracking this vulnerability and its exploits since 20th of May 2025.
CrowdSec network data shows that most actors exploiting CVE-2021-21389 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2021-21389 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2021-21389 is currently experiencing high visibility and active exploitation across the internet.
Observed attacks typically involve requests sent to URLs containing /wp-json/buddypress/v1/signup.
Exploitation
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Protection
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Blocklist
With our advanced worldwide network detection, CrowdSec can provide a list of IPs known for exploiting the vulnerability.
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