Answer in brief
CVE-2026-16534 records a Critical severity (CVSS 9.1) vulnerability in Import and export users and customers < 2.4.2 - Custom Role Privilege Escalation to Administrator via CSV Import. The current sources do not mark it as known exploited. The current feed maps Unknown/Import and export users and customers (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 9.1. 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/Import and export users and customers (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Import and export users and customersgeneric | >=0 <2.4.2 | 2.4.2 |
Published upstream
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 3, 2026
The Import and export users and customers WordPress plugin before 2.4.2 does not enforce WordPress's role-assignment and per-user edit permissions during CSV import, allowing a user holding only the user-creation capability to create an administrator account and to overwrite an existing administrator's password or email.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-16534 records a Critical severity (CVSS 9.1) vulnerability in Import and export users and customers < 2.4.2 - Custom Role Privilege Escalation to Administrator via CSV Import. The current sources do not mark it as known exploited. The current feed maps Unknown/Import and export users and customers (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 9.1. 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/Import and export users and customers (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Import and export users and customersgeneric | >=0 <2.4.2 | 2.4.2 |
Published upstream
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 3, 2026
The Import and export users and customers WordPress plugin before 2.4.2 does not enforce WordPress's role-assignment and per-user edit permissions during CSV import, allowing a user holding only the user-creation capability to create an administrator account and to overwrite an existing administrator's password or email.
Quoted source text, attributed separately from HOL analysis.