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CVE-2026-30587

HIGH

8.7

Description

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

Details CVE

Score CVSS v3.18.7

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurREQUIRED

Publie3/25/2026

Derniere modification3/31/2026

Sourcenvd

Observations honeypot0

Produits affectes

seafile:seafile_server

Faiblesses (CWE)

CWE-79

References

https://gist.github.com/gabdevele/1b7e30ab367b26042fa32f45aa12ce2f(cve@mitre.org)

https://github.com/haiwen/seadoc-editor/commit/8fa988aaede072b2ae073d1b2edcb2fc691423b2(cve@mitre.org)

https://github.com/haiwen/seahub/commit/4c5301747bdb84c64b2f2b3230417df2d1cc8987(cve@mitre.org)

https://manual.seafile.com/12.0/changelog/changelog-for-seafile-professional-server/(cve@mitre.org)

https://manual.seafile.com/13.0/changelog/changelog-for-seafile-professional-server/(cve@mitre.org)

https://manual.seafile.com/13.0/changelog/server-changelog/(cve@mitre.org)

Correlations IOC

Aucune correlation enregistree

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