6.1

CVSS Score

3.1

-

CVSS Score

Basic Information

CVE ID

CVE-2022-2523

GHSA ID

GHSA-q8hg-3vqv-f8v3

EPSS Score

0.53186%

CWE

CWE-79

Published

7/26/2022

Updated

9/20/2024

KEV Status

Technology

Python

Basic Information

CVE ID

GHSA ID

EPSS Score

CWE

Published

Updated

KEV Status

Technology

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CVE-2022-2523

CVE-2022-2523: Fava vulnerable to Reflected Cross-site Scripting

Cross-site Scripting (XSS) - Reflected in GitHub repository beancount/fava prior to 1.22.2. The query_string parameter of Fava is vulnerable to reflected cross-site scripting, for which a attacker can modify any information that the user is able to modify. This issue is fixed in version 1.22.2.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2022-2523

CVE-2022-2523:

6.1

CVSS Score

3.1

-

CVSS Score

Basic Information

CVE ID

CVE-2022-2523

GHSA ID

GHSA-q8hg-3vqv-f8v3

EPSS Score

0.53186%

CWE

CWE-79

Published

7/26/2022

Updated

9/20/2024

KEV Status

Technology

Python

Basic Information

CVE ID

GHSA ID

EPSS Score

CWE

Published

Updated

KEV Status

Technology

Technical Details

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
fava	pip	>= 0, < 1.22.2	1.22.2

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from improper use of Svelte's @html directive in two locations:

In EntryContext.svelte, directly rendering inventory data as HTML via join("<br>") without sanitization
In Query.svelte, directly rendering error messages as HTML. Both patterns allowed user-controlled input (via query_string parameter) to be interpreted as raw HTML. The fix replaced these with safe context-aware escaping ({amount} and {error}) and explicit <br/> elements, confirming the vulnerable pattern was improper HTML injection through @html.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

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Reasoning

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6.1

-

Basic Information

Basic Information

Concerned about an active attack path?

CVE-2022-2523: Fava vulnerable to Reflected Cross-site Scripting

CVE-2022-2523:

6.1

-

Basic Information

Basic Information

Technical Details

Technical Details

Vulnerability IntelligenceMiggo AI

Root Cause Analysis

Vulnerable functions

WAF Protection Rules

WAF Rule

Reasoning

Vulnerability IntelligenceMiggo AI

Technical Details

Basic Information

Basic Information

Vulnerability IntelligenceMiggo AI

Root Cause Analysis

Vulnerable functions

WAF Protection Rules

WAF Rule

Reasoning

CVE-2022-2523: Fava vulnerable to Reflected Cross-site Scripting

6.1

6.1

Vulnerability Intelligence
Miggo AI

Vulnerability Intelligence
Miggo AI

Vulnerability Intelligence
Miggo AI