EUVD-2025-201504Severity by source
AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
4DescriptionGitHub Advisory
HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.4, some of HedgeDoc's OAuth2 endpoints for social login providers such as Google, GitHub, GitLab, Facebook or Dropbox lack CSRF protection, since they don't send a state parameter and verify the response using this parameter. This vulnerability is fixed in 1.10.4.
Analysis
HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.4, some of HedgeDoc's OAuth2 endpoints for social login providers such as Google, GitHub, GitLab, Facebook or Dropbox lack CSRF protection, since they don't send a state parameter and verify the response using this parameter. This vulnerability is fixed in 1.10.4.
Technical ContextAI
Cross-Site Request Forgery forces authenticated users to perform unintended actions by tricking their browser into sending forged requests. This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352).
RemediationAI
A vendor patch is available — apply it immediately. Implement anti-CSRF tokens for all state-changing operations. Use SameSite cookie attribute. Verify the Origin/Referer header on the server side.
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Rate-limiting bypass in HedgeDoc prior to 1.11.0 permits unauthenticated remote attackers to circumvent brute-force prot
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Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)
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External POC / Exploit Code
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