Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-13598

CVE-2026-13598CRITICAL

Unknown RestrictMate — RestrictMate < 1.3.0 - Unauthenticated Privilege Escalation to Administrator

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .0030   20.5     —

AFFECTED
  Product       Versions     Fixed
  RestrictMate  unspecified  —

TIMELINE
  Jun 29  Reserved by WPScan
  Aug 23  EXPLOIT PUBLISHED — CVE-2026-13598 (Unknown RestrictMate). Public exploit reference added.
  Aug 23  Published (CNA: WPScan)
  Aug 27  EXPLOIT PUBLISHED — CVE-2026-13598 (Unknown RestrictMate). Public exploit reference added.

CWE-269 · CNA: WPScan · CVSS v3.1 · 1 reference · NVD status: Deferred

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
June 29, 2026	Reserved	Reserved by WPScan
August 23, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-13598 (Unknown RestrictMate). Public exploit reference added.
August 23, 2026	Published	Published (CNA: WPScan)
August 27, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-13598 (Unknown RestrictMate). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Unknown	RestrictMate	—	—	—

Weaknesses

CWE-269

References (1)

https://wpscan.com/vulnerability/05fd8e45-92fa-4ed4-ae59-9a7b7743ea34/

Authoritative record: CVE-2026-13598 at cve.org

Weaknesses: CWE-269

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-13598 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.