What is CVE-2025-45091?

CVE-2025-45091 is a medium-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-09-15.

How severe is CVE-2025-45091?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in N/a

CVE-2025-45091

Seafile versions 11.0.18-Pro, 12.0.10, and 12.0.10-Pro are vulnerable to a stored Cross-Site Scripting (XSS) attack. An authenticated attacker can exploit this vulnerability by modifying their username to include a malicious XSS payload in notification and activities.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org

Frequently asked questions

What is CVE-2025-45091?: CVE-2025-45091 is a medium-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-09-15.
How severe is CVE-2025-45091?: Medium severity. CVSS v3 base score is 5.4 out of 10.