CVE-2026-30587

medium Red Hat
CVSS v3 Base Score
6.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
EPSS Score
0.1%
Exploitation probability in 30 days
Top 71% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Confidentiality
High
Integrity
Low
Availability
None
Published: March 25, 2026 (50 days ago)
Last Modified: March 25, 2026
Vendor: Red Hat
Source: REDHAT

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

CWE

CWE-79

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 gist.github.com 🔗 github.com