CVE-2025-66629: hedgedoc CSRF — Fix

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.

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CVSS v3.1 Score

3.7

LOW

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-352 Cross-Site Request Forgery

Affected Products

Vendor	Product	Versions
hedgedoc	hedgedoc	< 1.10.4

References

Advisories & Patches

https://github.com/hedgedoc/hedgedoc/commit/35f36fccba941ed8029ee222f7d2a5df17b42e2b https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-6wm6-3vpq-6qvv

Frequently Asked Questions

What is CVE-2025-66629? +

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. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2025-66629? +

CVE-2025-66629 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-66629? +

CVE-2025-66629 affects products from hedgedoc, specifically: hedgedoc. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66629? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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