Exploit discussion active in current signal (1 latest mentions)
Recommended action window: High priority (within 72h)
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
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
AVAILABLE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
2 versions affected across 1 product
I guess frontend only validation is still a thing... Check out my new post on how I got stored XSS in Seafile's editor! https://gabdevele.dev/posts/2026/cve-2026-30587/
Post summary
The user posted a blog link demonstrating a stored XSS vulnerability (CVE‑2026‑30587) in Seafile's editor, providing a proof of concept but no exploit code or patch discussion.
3 of 3 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | seafile | seafile_server | - | - | - |
| App | seafile | seafile_server | 13.0.15 | - | - |
| App | seafile | seafile_server | 13.0.16 | - | - |