AUGUST 4, 2026
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Case File

CVE-2026-30587

HIGH · CVSS 8.7 EPSS 0.28% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-03-25 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.7. It affects Java. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-30587
Severity
HIGH
CVSS
8.7
EPSS
0.28%
Java

Original NVD 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

Related CVEs

Other vulnerabilities affecting the same vendor(s)