Security Advisory

CVE-2026-57658

WordPress TemplateSpare plugin <= 4.2.0 - Arbitrary File Upload vulnerability

Published

26 Jun 2026, 14:53 UTC

CVSS

9.1 · Critical (v3.1)

Weakness

CWE-434

Assigning CNA

Patchstack

Critical 9.1CVSS 3.1CWE-434

Description

Administrator Arbitrary File Upload in TemplateSpare <= 4.2.0 versions.

Severity (CVSS)

Base score	9.1
Severity	Critical
Version	CVSS 3.1
Vector	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Provided by	CNA

Weaknesses

CWE-434 — CWE-434 Unrestricted Upload of File with Dangerous Type

Affected products

Vendor	Product	Versions
Templatespare	TemplateSpare	n/a to <=4.2.0

References

https://patchstack.com/database/wordpress/plugin/templatespare/vulnerability/wordpress-templatespare-plugin-4-2-0-arbitrary-file-upload-vulnerability?_s_id=cve (vdb-entry)

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 27 Jun 2026 07:02 UTC.