CVE-2023-49486
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 · uneditedJFinalCMS v5.0.0 was discovered to contain a cross-site scripting (XSS) vulnerability in the model management department.
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 · moderate confidenceJFinalCMS v5.0.0 contains a stored cross-site scripting (XSS) vulnerability in the model management module of the admin panel. User-supplied input in the model management department is not properly sanitized before being rendered in subsequent requests, allowing execution of malicious JavaScript in the context of other users viewing the affected content.
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= 5.0.0CVSS 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 JFinalCMS versionLocate the JAR file or pom.xml in the deployment and verify the version number matches 5.0.0Affected if The installed version is exactly 5.0.0
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Verify admin panel accessibilityAttempt to access the admin panel endpoint (typically /admin or /system) to confirm the application is running and the management interface existsAffected if The admin panel is accessible and the model management module is present
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Identify model management moduleNavigate to the model management section within the admin panel, typically found under system configuration or data management menusAffected if The model management module exists and exposes a 'department' or similar text input field
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Inspect department input field for XSS vectorsSubmit a test payload containing HTML script tags or JavaScript event handlers (such as <script>alert(1)</script> or <img src=x onerror=alert(1)>) into the department field and save the entryAffected if The submitted payload is stored and reflected back in subsequent requests without encoding or sanitization
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Verify stored XSS persistenceLog out of the admin session, then access the page displaying the department field again (or view the stored data in the application) to confirm the payload executes or renders as raw HTMLAffected if The malicious payload is rendered as HTML/JavaScript when viewing the page, indicating stored XSS is present
A user is affected if they are running JFinalCMS version 5.0.0, have access to the admin panel model management module, and can confirm that user-supplied input in the department field is stored and displayed without sanitization.
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 dataImplement contextual output encoding for all user-supplied data displayed in the model management interface and apply input validation with allowlist filtering. Consider deploying a Content Security Policy (CSP) header as an additional defense-in-depth measure.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-49486 — 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-2023-49486 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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- Version or environment caveats, and links to real fixes
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