CVE-2024-50406
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 · uneditedA cross-site scripting (XSS) vulnerability has been reported to affect License Center. If exploited, the vulnerability could allow remote attackers who have gained user access to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following version: License Center 1.9.49 and later
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 confidenceA cross-site scripting (XSS) vulnerability in QNAP License Center allows authenticated remote attackers to bypass security mechanisms or read application data via malicious scripts injected through user input fields.
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>= 1.9.36, < 1.9.49CVSS 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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Locate the QNAP License Center versionAccess the QNAP admin console, navigate to Control Panel > Applications > License Center, and check the version number displayed in the application information or about sectionAffected if The displayed version is 1.9.36 through 1.9.48 (inclusive)
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Check License Center via QNAP firmware interfaceLog into the QNAP NAS web administration panel and find the License Center app in the application list. The version is typically shown in the app details or updates sectionAffected if Version shown is >= 1.9.36 and < 1.9.49
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Query version via QNAP CLI if availableAccess the QNAP device via SSH and run: cat /etc/config/qpkg.conf | grep -i license_center to find the installed package versionAffected if The version field shows a build between 1.9.36 and 1.9.48
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Verify web interface exposureConfirm that the QNAP License Center web interface is accessible on the network (typically at https://[nas-ip]:[port]/licensing/)Affected if The License Center web interface is reachable and the version is within the affected range
You are affected if QNAP License Center is installed and its version number falls between 1.9.36 and 1.9.48 inclusive
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.
dbcve · scoped1.9.49
Upgrade License Center to version 1.9.49 or later to remediate this vulnerability.
License Center 1.9.49
- 1. Access the QNAP NAS admin interface
- 2. Navigate to License Center application
- 3. Check current installed version (ensure version is < 1.9.49)
- 4. Download License Center version 1.9.49 or later from the official QNAP download center
- 5. Install the update through the QNAP App Center or License Center update mechanism
- 6. Verify the installed version is 1.9.49 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-50406 — 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-2024-50406 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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- 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