Answer in brief
CVE-2026-104401 records a Medium severity (CVSS 4.3) vulnerability in WordPress Memberful - Membership Plugin plugin <= 1.81.2 - Sensitive Data Exposure vulnerability. The current sources do not mark it as known exploited. The current feed maps Memberful/memberful-wp (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Memberful/memberful-wp (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Memberful/memberful-wpgeneric | >=0 <=1.81.2 | Not reported |
Published upstream
Oct 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 5, 2026
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Memberful Memberful - Membership Plugin memberful-wp allows Retrieve Embedded Sensitive Data.This issue affects Memberful - Membership Plugin: from n/a through 1.81.2.
Quoted source text, attributed separately from HOL analysis.