Back to Database
Status published
Low
CVE-2025-66629
HedgeDoc is missing state parameter in OAuth2 flows could lead to CSRF
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-66629
Credits & Attribution
No credits recorded in the NVD database.
References
More from hedgedoc
View All →CVE-2025-32391
HedgeDoc allows XSS possibility through malicious SVG uploads
Medium
6.4
CVE-2024-45308
MySQL & free URL mode allows to hide existing notes in hedgedoc
Medium
6.5
CVE-2023-38487
HedgeDoc API allows to hide existing notes
Medium
6.5
CVE-2022-24837
Enumerable upload file names in hedgedoc
Medium
5.3
CVE-2021-39175
XSS vector in slide mode speaker-view
High
8.1
Affected Vendor
hedgedoc
View all reports →Affected Software
hedgedoc
Vulnerable Versions:
< 1.10.4
Timeline
Official Publish:
December 5th, 2025
Last Modified:
December 8th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N