Cross-site scipting in Firefly III



| Updated: 2021-10-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-14667
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Firefly III
Client/Desktop applications / Other client software

Vendor James Cole

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU57179

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-14667

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

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Firefly III: 4.7.17 - 4.7.17.4

CPE2.3 External links

https://github.com/firefly-iii/firefly-iii/commit/15d4d185bbedf2bb9db4a8fa2ccf9fc359a06194
https://github.com/firefly-iii/firefly-iii/commit/427de0594d05a8222f55b2894311e648ba1be991
https://github.com/firefly-iii/firefly-iii/issues/2363


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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