Deserialization in Membership Software Wishlist Member X

CVE-2026-25445

Deserialization of Untrusted Data vulnerability in Membership Software WishList Member X allows Object Injection.This issue affects WishList Member X: from n/a through 3.29.0.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-25445: held from 0.003 to 0.005.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-25445?
CVE-2026-25445 is a high-severity vulnerability in Membership Software Wishlist Member X, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-03-19.
How severe is CVE-2026-25445?
High severity. CVSS v3 base score is 8.8 out of 10.