WordPress security changelog
CRITICAL
CVE-2026-57658
Deferred
TemplateSpare: Dangerous file upload
TemplateSpare is affected by dangerous file upload. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise. The published affected range is n/a through 4.2.0.
CVE / CNA score
9.1
CVSS 3.1 · audit@patchstack.com
NVD score
Pending
NVD has not published its own CVSS assessment.
- Component
- TemplateSpare
- Plugin slug
templatespare- Affected
- n/a through 4.2.0
- Safe version
4.2.1- Published
- Jun 26, 2026
This CVE was published Jun 26, 2026 and is one of 3 known issues for this plugin.
What to do
Patch or disable the affected component.
Update TemplateSpare to 4.2.1 or later, or disable and remove it until a fixed version is available.
Source record
Technical description
Administrator Arbitrary File Upload in TemplateSpare <= 4.2.0 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
References