CVE-2025-66486: IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTML injection. A remote attacker could inject malicious HTML…
CVE-2025-66486 · Severity: medium · CVSS 4.8 · Published 2026-04-01
IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.
No. Junglewise Threat Intelligence has no report of CVE-2025-66486 being exploited in the wild.
How severe is CVE-2025-66486?
Medium severity, with a CVSS score of 4.8, published 1 April 2026.
Which products and versions are affected?
IBM Aspera Shares. The advisory does not name versions.
Is there a fix for CVE-2025-66486?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-66486?
Check whether you run IBM Aspera Shares. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.