CVE-2026-30587: XSS

Published Mar 25, 2026
·
Updated

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

Affected Software

4 affected components
Seafile Seafile Server<=13.0.15, <=13.0.16-pro, <=12.0.14
Seafile Seafile Server<12.0.20
Seafile Seafile Server=13.0.15
Seafile Seafile Server=13.0.16

Event History

Mar 25, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:16 PM
RemedyDescriptionSeverityWeaknessAffected Software

Contact

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info@secalerts.co
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