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Advisories

Vikunja 2.2.0 before 2.7.0 Permissive CORS Policy Trusting Localhost Origins

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Severity
high
Date
Affecting

  • vikunja >= 2.2.0, < 2.7.0

CWE
  • CWE-942 Permissive Cross-domain Security Policy with Untrusted Domains
CVSS
7.2
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
arthurscchan, AdamKorcz
Description
Vikunja from 2.2.0 before 2.7.0 contains a permissive CORS configuration that trusts every localhost and 127.0.0.1 port with credentials, even when service.publicurl is set. Attackers controlling a page on any localhost port can send a credentialed request to the token refresh endpoint and read the returned bearer JWT to take over the logged-in user's account.

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