CVE-2025-36323 IBM CVE debrief

Who should care

Defenders responsible for IBM watsonx.data intelligence deployments, particularly those using versions 5.2.0, 5.2.1, 5.2.2, and 5.3.0, should assess exposure and verify the effectiveness of current security controls against cross-site scripting attacks.

Why it matters

CVE-2025-36323 is a cross-site scripting vulnerability in IBM watsonx.data intelligence that allows authenticated users to embed arbitrary JavaScript code in the Web UI, potentially leading to credentials disclosure within trusted sessions. Defenders should prioritize verifying exposure and assessing the effectiveness of current security controls.

• Defenders need to verify exposure of IBM watsonx.data intelligence versions 5.2.0, 5.2.1, 5.2.2, and 5.3.0.
• Cross-site scripting attacks could lead to credentials disclosure within trusted sessions.
• Defenders should assess the effectiveness of current security controls against cross-site scripting attacks.

Technical summary

IBM watsonx.data intelligence versions 5.2.0, 5.2.1, 5.2.2, and 5.3.0 are vulnerable to cross-site scripting due to improper input validation. An authenticated user can exploit this vulnerability to embed arbitrary JavaScript code in the Web UI, potentially leading to credentials disclosure within a trusted session. The vulnerability has a CVSS score of 5.4 and is classified as MEDIUM severity. Defenders should prioritize verifying exposure of affected versions and assessing the effectiveness of current security controls against cross-site scripting attacks.

Defensive priority

Defenders should prioritize verifying exposure of IBM watsonx.data intelligence versions 5.2.0, 5.2.1, 5.2.2, and 5.3.0, and assess the effectiveness of current security controls against cross-site scripting attacks.

Recommended defensive actions

• Verify exposure of IBM watsonx.data intelligence versions 5.2.0, 5.2.1, 5.2.2, and 5.3.0 in the environment.
• Assess the effectiveness of current security controls against cross-site scripting attacks.
• Implement additional security measures to prevent credentials disclosure within trusted sessions.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score and vector. IBM has also provided a vendor advisory for this issue. The vulnerability allows authenticated users to embed arbitrary JavaScript code in the Web UI, potentially leading to credentials disclosure within trusted sessions. Defenders should verify exposure of affected IBM watsonx.data intelligence versions and assess the effectiveness of current security controls against cross-site scripting attacks. The CVE record was published on 9

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.