๐Ÿ›ก๏ธ CVE-2026-30587
๐ŸŸ  CVSS 8.7 โ€” High โœ… No Known Exploit CWE-79 NVD
8.7
CVSS Score
0 Low4 Medium7 High9 Critical10

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

Severity High
CVSS Score 8.7
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CWE CWE-79
Public Exploit โœ… No
Source NVD
Published 2026-03-25
Updated 2026-06-02
Modified 2026-04-02

Affected Packages

Software From version Fixed in
@seafile/sdoc-editor โ€” โ€”
seafile-server โ€” โ€”

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