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
Scores
CVSS v3
8.7
EPSS
0.0006
EPSS Percentile
17.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (4)
seafile/sdoc-editor
3.0.0 - 3.0.75npm
seafile/seafile_server
13.0.15
seafile/seafile_server
13.0.16
seafile/seafile_server
< 12.0.20
Published
Mar 25, 2026
Tracked Since
Mar 25, 2026