CVE-2020-28246
CRITICALForm.io 2.0.0 - Authenticated Server-Side Template Injection via Email Template Deletion
Title source: llmDescription
A Server-Side Template Injection (SSTI) was discovered in Form.io 2.0.0. This leads to Remote Code Execution during deletion of the default Email template URL. NOTE: the email templating service was removed after 2020. Additionally, the vendor disputes this issue indicating this is sandboxed and only executable by admins.
References (2)
Core 2
Core References
Release Notes, Third Party Advisory
https://github.com/formio/enterprise-release/blob/master/API-Server-Change-Log.md
Third Party Advisory
https://github.com/formio/formio
Scores
CVSS v3
9.8
EPSS
0.0218
EPSS Percentile
80.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-74
Status
published
Products (2)
form/form.io
2.0.0
npm/formio
0npm
Published
Jun 02, 2022
Tracked Since
Feb 18, 2026