CVE-2022-40748
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedIBM InfoSphere Information Server 11.7 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. IBM X-Force ID: 236586.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceIBM InfoSphere Information Server 11.7 contains a stored cross-site scripting (XSS) vulnerability in its Web UI. Attackers can embed malicious JavaScript code that executes in the browsers of other users viewing the affected interface, potentially allowing credential theft through session hijacking within a trusted session.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 11.7CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm installed version is 11.7Run the IBM InfoSphere Information Server version command or check the installation directory for version information. Common locations include the installation logs, About dialog in the admin console, or the version.xml file in the installation directory.Affected if The installed version is exactly 11.7, as this is the only version listed as affected by this CVE.
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Verify Web UI component is enabledAccess the IBM InfoSphere Information Server administration console and confirm the Web UI interface is accessible. Check if the web-based interface is running and reachable via browser.Affected if The Web UI is enabled and accessible, as the XSS vulnerability exists in this web interface component.
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Identify user-controllable input fields in the Web UINavigate through the Web UI interface and locate areas where users can submit or store content that is displayed to other users, such as metadata fields, descriptions, comments, or user profile fields.Affected if User-controllable input fields exist in the Web UI where malicious JavaScript could be stored and rendered to other users.
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Review Web UI endpoint configurationInspect the Web UI configuration files or server settings to determine if output encoding and input validation mechanisms are implemented on the endpoints that handle stored user content.Affected if Input validation and output encoding are not properly configured on the Web UI endpoints that accept and display stored user content.
A user is affected if their IBM InfoSphere Information Server is version 11.7 and the Web UI is enabled with input fields that lack proper output encoding and input validation.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply IBM's vendor patch for CVE-2022-40748. Until patched, implement output encoding and input validation on Web UI endpoints, and consider implementing Content Security Policy (CSP) headers to mitigate XSS execution.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-40748 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2022-40748 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data