SB2026052139 - Cross-site scripting in firefly-iii

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site scripting (CVE-ID: N/A)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

The vulnerability allows a remote user to execute arbitrary JavaScript in a victim's browser.

The vulnerability exists due to cross-site scripting in the audit log entry view template resources/views/list/ale.twig when rendering the piggy bank name from audit log data. A remote user can create a piggy bank with a crafted name and trigger audit log rendering to execute arbitrary JavaScript in a victim's browser.

The issue is stored in the database and user interaction is required when a victim views the affected transaction audit log.

Remediation

Install update from vendor's website.

References

• https://github.com/firefly-iii/firefly-iii/security/advisories/GHSA-6jq6-x4cx-qvcm
• https://github.com/firefly-iii/firefly-iii/pull/12271