CVE-2026-16310
Critical
Description
The MemberDash plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.8.5 via the 'id' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to change the password of any WordPress user, including administrators, by supplying an arbitrary user ID during registration, and take over their account without any notification sent to the victim.
SeverityCritical
CVSS9.8
Exploit probability44. percentile0.5%
Product
MemberDash
PublishedSep 6, 2026
First seenSep 6, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| LearnDash MemberDash | v ≤ 1.8.5 | — |
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