What is CVE-2023-36816?

CVE-2023-36816 is a medium-severity vulnerability in 2fauth, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-07-03.

How severe is CVE-2023-36816?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in 2fauth

CVE-2023-36816

2FA is a Web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Cross site scripting (XSS) injection can be done via the account/service field. This was tested in docker-compose environment. This vulnerability has been patched in version 4.0.3.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (39.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.

Affected products

2fauth
Bubka 2fauth — versions < 4.0.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2023-36816?: CVE-2023-36816 is a medium-severity vulnerability in 2fauth, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-07-03.
How severe is CVE-2023-36816?: Medium severity. CVSS v3 base score is 6.1 out of 10.