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ConcertApplication · Ibm

CVE-2025-0656

MEDIUM · 6.1 CVSS v3.1 Published 2025-09-01
Fix available
A fix is available. Upgrade to 2.0.0 or later.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable No privileges

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 · unedited
IBM Concert Software 1.0.0 through 1.1.0 is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

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 confidence

IBM Concert Software versions 1.0.0 through 1.1.0 contains a stored cross-site scripting (XSS) vulnerability in its Web UI. An unauthenticated attacker can inject malicious JavaScript code that executes in the browsers of legitimate users viewing the affected content, potentially leading to session hijacking and credentials disclosure.

MitigationImplement robust input validation and output encoding on all user-supplied content rendered in the Web UI. Consider deploying Content Security Policy (CSP) headers as an additional defense-in-depth measure.

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
ConcertApplication
Affected:>= 1.0.0, < 2.0.0

CVSS 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
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify IBM Concert installation and version
    Locate the IBM Concert installation directory and check the version file or use the product's version command if available. Common locations include /opt/ibm/concert or the installation root directory.
    Affected if The installed version is 1.0.0, 1.0.1, 1.0.2, 1.1.0, or any other version >= 1.0.0 but < 2.0.0
  2. Confirm Web UI component is enabled
    Check the IBM Concert configuration files or service status to determine if the Web UI service is running and accessible. Look for HTTP/HTTPS listeners on typical web ports.
    Affected if The Web UI is enabled and accessible to users or attackers over the network
  3. Review Web UI access logs for suspicious input
    Examine web server access logs and application logs for patterns containing HTML tags, script elements, or JavaScript event handlers in user input fields such as search, comments, or profile fields.
    Affected if Log entries contain unsanitized HTML, script tags, or javascript: URIs in user-supplied fields indicating potential exploitation attempts
  4. Inspect user-generated content stored in the application
    If you have administrative access, review the application's database or content storage for any stored entries containing script tags, HTML, or unusual character sequences in text fields.
    Affected if Stored content contains executable JavaScript or HTML tags that would be rendered by the browser without encoding

You are affected if IBM Concert version is 1.0.0 or higher but below 2.0.0 and the Web UI component is accessible to users.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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.

dbcve · scoped
Upgrade available Upgrade to 2.0.0 or later
Fixed in 2.0.0
Interim mitigation

Implement robust input validation and output encoding on all user-supplied content rendered in the Web UI. Consider deploying Content Security Policy (CSP) headers as an additional defense-in-depth measure.

Recommended fix Moderate confidence

IBM Concert version 2.0.0 or later

  1. 1. Backup the current IBM Concert installation and all associated data.
  2. 2. Review IBM's official release notes for version 2.0.0 to understand changes and prerequisites.
  3. 3. Plan maintenance window as upgrade may require downtime.
  4. 4. Perform upgrade from current version (1.0.0-1.1.0) to version 2.0.0 or latest stable release.
  5. 5. After upgrade, verify the XSS vulnerability is resolved by testing that script injection in Web UI fields is properly sanitized.
  6. 6. Confirm all expected functionality works correctly post-upgrade.
Caveat Review release notes for version 2.0.0 - minor or major UI/functional changes may exist; test in staging before production deployment

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Concert Scoped from the published advisory
  • Consultation2.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
13.0 hours of engineering $2,290
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,664.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-0656 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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