GHSA-rqj3-x344-qvxc
Seafile Server has multiple stored XSS vulnerabilities
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @seafile/sdoc-editor | >= 3.0.0, < 3.0.75 | 3.0.75 |
| npm | @seafile/sdoc-editor | < 2.0.209 | 2.0.209 |
Details
As written in the advisory (Markdown source, shown as plain text).
Multiple Stored XSS vulnerabilities exist in Seafile Server version 13.0.15,13.0.16-pro,12.0.14 and prior and fixed in 13.0.17, 13.0.17-pro, and 12.0.20-pro, via the Seadoc (sdoc) editor. The application fails to properly sanitize WebSocket messages regarding document structure updates. This allows authenticated remote attackers to inject malicious JavaScript payloads via the src attribute of embedded Excalidraw whiteboards or the href attribute of anchor tags.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2026-30587
- https://github.com/haiwen/seadoc-editor/commit/8fa988aaede072b2ae073d1b2edcb2fc691423b2
- https://github.com/haiwen/seahub/commit/4c5301747bdb84c64b2f2b3230417df2d1cc8987
- https://gist.github.com/gabdevele/1b7e30ab367b26042fa32f45aa12ce2f
- https://github.com/haiwen/seadoc-editor
- https://manual.seafile.com/12.0/changelog/changelog-for-seafile-professional-server
- https://manual.seafile.com/13.0/changelog/changelog-for-seafile-professional-server
- https://manual.seafile.com/13.0/changelog/server-changelog