Ultimate Member: Privilege escalation or authentication bypass
Ultimate Member is affected by privilege escalation or authentication bypass. Exposure depends on how the affected operation is made reachable by the site. A successful request can grant permissions or access that the caller should not possess.
- Component
- Ultimate Member
- Plugin slug
ultimate-member- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Jun 21, 2019
This CVE was published Jun 21, 2019 and is one of 56 known issues for this plugin.
Update, patch or deactivate.
Update Ultimate Member to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
An arbitrary password reset issue was discovered in the Ultimate Member plugin 2.39 for WordPress. It is possible (due to lack of verification and correlation between the reset password key sent by mail and the user_id parameter) to reset the password of another user. One only needs to know the user_id, which is publicly available. One just has to intercept the password modification request and modify user_id. It is possible to modify the passwords for any users or admin WordPress Ultimate Members. This could lead to account compromise and privilege escalation.
NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H