What is CVE-2025-65516?

CVE-2025-65516 is a medium-severity vulnerability in Seafile Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-04.

How severe is CVE-2025-65516?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Seafile Server

CVE-2025-65516

A stored cross-site scripting (XSS) vulnerability was discovered in Seafile Community Edition prior to version 13.0.12. When Seafile is configured with the Golang file server, an attacker can upload a crafted SVG file containing malicious JavaScript and share it using a public link. Opening the link triggers script execution in the victim's browser. This issue has been fixed in Seafile Community Edition 13.0.12.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (9.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Seafile Seafile_server
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Release Notes)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-65516?: CVE-2025-65516 is a medium-severity vulnerability in Seafile Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-04.
How severe is CVE-2025-65516?: Medium severity. CVSS v3 base score is 6.1 out of 10.