What is CVE-2025-66484?

CVE-2025-66484 is a medium-severity vulnerability in Ibm Aspera Shares, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2026-04-01.

How severe is CVE-2025-66484?

Medium severity. CVSS v3 base score is 5.5 out of 10.

XSS in Ibm Aspera Shares

CVE-2025-66484

IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Vulnerability class: XSS (Cross-Site Scripting)

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

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Ibm Aspera Shares — versions 1.9.9
Ibm Aspera_shares

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-66484?: CVE-2025-66484 is a medium-severity vulnerability in Ibm Aspera Shares, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2026-04-01.
How severe is CVE-2025-66484?: Medium severity. CVSS v3 base score is 5.5 out of 10.