PT-2019-13774 · Firefly Iii · Firefly-Iii

Published 2019-08-05 · Updated 2020-12-16 · CVE-2019-14672

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Firefly III version 4.7.17.5

Description The issue arises from the lack of filtration of user-supplied data in the liability name field, leading to stored XSS. This occurs when JavaScript code is executed upon an error condition during a visit to the account show page.

Recommendations For Firefly III version 4.7.17.5, consider filtering user-supplied data in the liability name field to prevent stored XSS attacks. As a temporary workaround, restrict access to the account show page until a proper fix is applied.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2019-14672

Affected Products

Firefly-Iii

References · 4

• 🔥 https://github.com/firefly-iii/firefly-iii/issues/2370 · Exploit
• https://github.com/firefly-iii/firefly-iii/commit/8717f469b10e9f7e1547c6f70f7d24e1359d28d4 · Patch
• https://osv.dev/vulnerability/CVE-2019-14672 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-14672 · Security Note