Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L H N U H H H 7.2 .0028 20.3 —
AFFECTED Product Versions Fixed Everest Toolkit unspecified —
TIMELINE Jun 24 Reserved by WPScan Aug 1 Published (CNA: WPScan) Aug 4 EXPLOIT PUBLISHED — CVE-2026-13158 (Unknown Everest Toolkit). Public exploit reference added.
The Everest Toolkit WordPress plugin through 1.2.3 does not validate the type of files uploaded during demo-content import (the WordPress file-type test is disabled), allowing high-privilege users (Administrator by default, including non-super-admin site administrators on multisite) to upload executable PHP files to the uploads directory.
| Date | Event | Detail |
|---|---|---|
| June 24, 2026 | Reserved | Reserved by WPScan |
| August 1, 2026 | Published | Published (CNA: WPScan) |
| August 4, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-13158 (Unknown Everest Toolkit). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Unknown | Everest Toolkit | — | — | — |
Authoritative record: CVE-2026-13158 at cve.org
Weaknesses: CWE-434
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-13158 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 Wednesday, August 19, 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.