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CVE-2026-30587

HIGH

8.7

Beschreibung

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

CVE Details

CVSS v3.1 Bewertung8.7

SchweregradHIGH

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

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionREQUIRED

Veroffentlicht3/25/2026

Zuletzt geandert3/31/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

seafile:seafile_server

Schwachen (CWE)

CWE-79

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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