RestrictMate < 1.3.0 - Unauthenticated Privilege Escalation to Administrator (CVE-2026-13598) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-13598

RestrictMate < 1.3.0 - Unauthenticated Privilege Escalation to Administrator

Answer in brief

CVE-2026-13598 records a Unknown severity vulnerability in RestrictMate < 1.3.0 - Unauthenticated Privilege Escalation to Administrator. The current sources do not mark it as known exploited. The current feed maps Unknown/RestrictMate (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 23, 2026Updated Aug 23, 2026Source checked Aug 23, 2026First seen by HOL Aug 23, 2026Material review Aug 23, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. 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.

Affected scope and exposure questions

The current feed maps Unknown/RestrictMate (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/RestrictMategeneric	>=0 <1.3.0	1.3.0

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/RestrictMate.
Review the reported fix. Update Unknown/RestrictMate to 1.3.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 23, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source description

The RestrictMate WordPress plugin before 1.3.0 does not restrict the user role supplied during account registration, allowing unauthenticated attackers to create a new administrator account and gain a logged-in administrator session, leading to full site takeover.

Quoted source text, attributed separately from HOL analysis.