CVE Catalog

CVE-2026-30587

High
Published: Translated: NVD NIST

Summary

Multiple Stored XSS vulnerabilities exist in Seafile Server versions 13.0.15, 13.0.16-pro, 12.0.14 and prior, fixed in versions 13.0.17, 13.0.17-pro, and 12.0.20-pro. The application fails to properly sanitize WebSocket messages regarding document structure updates, allowing authenticated remote attackers to inject malicious JavaScript payloads.

Risk Assessment

These vulnerabilities could lead to the execution of malicious code in the user's context, posing a risk of data theft or session hijacking. Organizations should be aware of potential attacks on their users.

Recommendation

It is recommended to update Seafile Server to versions 13.0.17, 13.0.17-pro, or 12.0.20-pro to mitigate these vulnerabilities. Additionally, conducting a security audit of the application to identify other potential flaws is advisable.

Related vulnerabilities

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS