6.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2020-19000

CVE-2020-19000: Cross Site Scripting (XSS) in Simiki

Cross Site Scripting (XSS) in Simiki v1.6.2.1 and prior allows remote attackers to execute arbitrary code via line 54 of the component 'simiki/blob/master/simiki/generators.py'.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2020-19000

CVE-2020-19000:

6.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
simiki	pip	<= 1.6.2.1	1.6.2.2

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from two related issues in template handling: 1) The PageGenerator's HTML generation logic (generate method) passes user-controlled input (like titles) to Jinja2 templates without proper escaping. 2) The root cause is the insecure initialization of the Jinja2 Environment in generators.py (line 54 in vulnerable versions) where autoescaping is disabled by default. This combination allows attackers to inject arbitrary HTML/JS via user-controlled content like page titles. The GitHub issue #123 explicitly identifies the Jinja2 autoescape configuration as the XSS vector, and the CVE description pinpoints generators.py line 54 as the vulnerable component.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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