Form Block: Dangerous file upload
Form Block 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.
- Component
- Form Block
- Plugin slug
form-block- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Aug 14, 2025
This CVE was published Aug 14, 2025 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
Update Form Block to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Unrestricted Upload of File with Dangerous Type vulnerability in epiphyt Form Block form-block allows Upload a Web Shell to a Web Server.This issue affects Form Block: from n/a through <= 1.5.5.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H