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WS-2023-0219

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Date: June 23, 2023

Server-Side Template Injection vulnerability exists in fief-server before 0.25.3. An attacker can use SSTI to execute code on the underlying system by manipulating values within the embedded template. When code is executed within the underlying system, it can allow an attacker to run permissioned commands under the exploited process, or exploit Cross-Site Scripting (XSS) to run code within the user's browser.

Language: Python

Severity Score

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements Used in a Template Engine

CWE-1336

Top Fix

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Upgrade Version

Upgrade to version fief-server - 0.25.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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