CVE-2023-36816: medium-severity vulnerability in Bubka 2FAuth
Cross-Site Scripting (XSS) at Account creation in 2FAuth
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.1epss 0.5%
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Affected products
Bubka · 2FAuthRelated CVEs — Bubka 2FAuth
In the same product, most dangerous first.
CVE-2024-52598HIGH2FAuth vulnerable to Server Side Request Forgery + URI validation bypass in 2fauth /api/v1/twofaccounts/previewEPSS 0.6%CVE-2026-32133HIGH2FAuth has Blind SSRF in image parameter allows internal network access and moreEPSS 0.5%CVE-2024-52597MEDIUM2FAuth vulnerable to stored cross-site scripting via SVG upload and direct access renderEPSS 0.4%CVE-2026-63439CRITICAL2FAuth: Reverse Proxy Guard Trusts Client-Supplied Headers Without Proxy VerificationEPSS —CVE-2026-63438CRITICAL2FAuth: Reverse Proxy Guard Auto-Creates Users With Admin Promotion From Unauthenticated Header ValueEPSS —CVE-2026-63440MEDIUM2FAuth: Authenticated SSRF via DNS rebinding in the otpauth image= icon fetch (validate-then-fetch TOCTOU)EPSS —