WordPress security changelog
MEDIUM CVE-2020-6859 Modified

Ultimate Member: A security weakness

Ultimate Member is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 5.3 CVSS · cve@mitre.org
NVD score 5.3 CVSS 3.1 · nvd@nist.gov
Component
Ultimate Member
Plugin slug
ultimate-member
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jan 13, 2020
Weakness
CWE-639 — Authorization Bypass Through User-Controlled Key

This CVE was published Jan 13, 2020 and is one of 56 known issues for this plugin.

What to do

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.

Source record

Technical description

Multiple Insecure Direct Object Reference vulnerabilities in includes/core/class-files.php in the Ultimate Member plugin through 2.1.2 for WordPress allow remote attackers to change other users' profiles and cover photos via a modified user_id parameter. This is related to ajax_image_upload and ajax_resize_image.

NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

Primary and upstream sources