What is CVE-2025-33138?

CVE-2025-33138 is a medium-severity vulnerability in IBM Aspera Faspex, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.4/10. Published 2025-05-22.

How severe is CVE-2025-33138?

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

XSS in IBM Aspera Faspex

CVE-2025-33138

IBM Aspera Faspex 5.0.0 through 5.0.12 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.

EPSS: 0.002 (12.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Ibm Aspera Faspex — versions 5.0.0
Ibm Aspera_faspex
Linux Linux_kernel

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2025-33138?: CVE-2025-33138 is a medium-severity vulnerability in IBM Aspera Faspex, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.4/10. Published 2025-05-22.
How severe is CVE-2025-33138?: Medium severity. CVSS v3 base score is 5.4 out of 10.