Answer in brief
CVE-2026-18365 records a Medium severity (CVSS 4.3) vulnerability in Zportals < 6.4.2 - Subscriber+ User Email Disclosure. The current sources do not mark it as known exploited. The current feed maps Unknown/zportals (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 Unknown/zportals (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/zportalsgeneric | >=0 <6.4.2 | 6.4.2 |
Published upstream
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 23, 2026
The zportals WordPress plugin before 6.4.2 does not perform any capability or nonce check on one of its AJAX actions, allowing users with a subscriber-level account to disclose the display name and email address of every registered user, including administrators.
Quoted source text, attributed separately from HOL analysis.