Fava vulnerable to Reflected Cross-site Scripting

MEDIUM 6.1CVE-2022-2523 · GHSA-q8hg-3vqv-f8v3 · PYSEC-2022-240 · Published 25/07/2022 · updated 17/06/2026

In short

CVE-2022-2523 is a MEDIUM (CVSS 6.1) vulnerability affecting fava, fava (fava project).
Chance of exploitation in the next 30 days (EPSS): 0.87%, higher than 58.9% of all vulnerabilities.
Fix: update to 1.22.2 or later.

Package	Affected versions	Patched versions
fava PyPI	`< 1.22.2`	`1.22.2`
fava fava_project	`< 1.22.2`	`1.22.2`

Description

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.

NVD description

Cross-site Scripting (XSS) - Reflected in GitHub repository beancount/fava prior to 1.22.2.

References

nvd.nist.gov/vuln/detail/CVE-2022-2523 · ADVISORY
beancount/fava commit dccfb6a · WEB
GitHub Advisory GHSA-q8hg-3vqv-f8v3 · ADVISORY
beancount/fava · PACKAGE
pypa/advisory-database · WEB
huntr.dev/bounties/2a1802d8-1c2e-4919-96a7-d4dcf7ffcf8f · WEB

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Package

Affected versions

Patched versions

fava

PyPI

< 1.22.2

1.22.2

fava

fava_project

< 1.22.2

1.22.2

Description

NVD description

Cross-site Scripting (XSS) - Reflected in GitHub repository beancount/fava prior to 1.22.2.