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Vulnerabilities

Vulnerability · CVE-2025-33104

IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to cross-site scripting.

Published May 14, 2025 · catalog updated Aug 20, 2025 · IBM WebSphere Application Server

Check if you run it

No confirmed exploitation is on record for CVE-2025-33104. EPSS is 0.25%. Act only if a listed version of IBM WebSphere Application Server is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.25%
Remediation
Vendor / distro source
Affected products
vendor IBM WebSphere Application Server 8.5, 9.0

IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor IBM WebSphere Application Server 8.5, 9.08.5, 9.0

How to fix CVE-2025-33104

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-33104. EPSS is 0.25%. Act only if a listed version of IBM WebSphere Application Server is installed.

Which versions are affected?

Compare what you have installed with IBM WebSphere Application Server 8.5, 9.0 8.5, 9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 14, 2025 · EUVD

    Detected

    IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to 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.

  2. Aug 20, 2025 · EUVD

    Updated

    IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to 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.

Sources

  • CVE.orgVulnerability recordCVE-2025-33104

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-33104

    30-day exploitation probability 0.2%

    first.org
  • EUVDVulnerability recordEUVD-2025-14903

    IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to 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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.