CVE-2021-21389
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering.
- Exploit odds
- 14.8% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 14.8% in the next 30 days (EPSS).
- Severity: 8.1 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 14.8% · EPSS, next 30 days
- Weakness
- CWE-863 · Incorrect authorization
- Record status
- Modified
Affected
- Buddypress < 7.2.1
Attack profile CVSS 3.1 · 8.1
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-21389.md and follow it. Check whether this project is affected by CVE-2021-21389. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://buddypress.org/2021/03/buddypress-7-2-1-security-release/
- https://codex.buddypress.org/releases/version-7-2-1/
- https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3
- https://buddypress.org/2021/03/buddypress-7-2-1-security-release/
- https://codex.buddypress.org/releases/version-7-2-1/
- https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3
References
- https://buddypress.org/2021/03/buddypress-7-2-1-security-release/
- https://codex.buddypress.org/releases/version-7-2-1/
- https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3
- https://buddypress.org/2021/03/buddypress-7-2-1-security-release/
- https://codex.buddypress.org/releases/version-7-2-1/
- https://github.com/buddypress/BuddyPress/security/advisories/GHSA-m6j4-8r7p-wpp3