CVE-2025-54175
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 · uneditedQuickCMS.EXT is vulnerable to Reflected XSS in sFileName parameter in thumbnail viewer functionality. An attacker can craft a malicious URL that results in arbitrary JavaScript execution in the victim's browser when opened. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 6.8 was tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
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 confidenceQuickCMS.EXT versions 6.8 and potentially earlier versions contain a reflected XSS vulnerability in the thumbnail viewer functionality via the sFileName parameter. An attacker can craft a malicious URL containing JavaScript payload that executes in the victim's browser when the victim visits the crafted link.
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= 6.8CVSS 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 checksWork through these to decide whether this CVE applies to you.
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Identify QuickCMS.EXT installationSearch the web server file system for QuickCMS.EXT files, typically located in the web root directory. Look for files such as index.php, config.php, or a directory named 'quickcms' or similar.Affected if QuickCMS.EXT software is found on the system
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Determine the installed QuickCMS.EXT versionLocate the version file or header within the QuickCMS.EXT installation. Common locations include a VERSION file, the main index.php file, or the administration panel which often displays the version number.Affected if The installed version is 6.8 or any version earlier than the current patched version
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Confirm thumbnail viewer functionality is accessibleIdentify if the thumbnail viewer feature is enabled and publicly accessible. Look for routes or scripts that handle thumbnail display, typically involving file viewing or image rendering functionality.Affected if The thumbnail viewer module is enabled and accessible to end users
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Test for reflected XSS in sFileName parameterIf accessible, attempt a basic test by crafting a URL with the sFileName parameter containing a benign test string such as 'test"<script>alert(1)</script>' and observe if the parameter value is reflected back in the response without proper encoding.Affected if The sFileName parameter reflects user-supplied input directly in the HTML response without sanitization or encoding
The system is affected if QuickCMS.EXT version 6.8 or earlier is installed and the thumbnail viewer with the sFileName parameter is accessible and reflects input without encoding.
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 strict input validation and context-aware output encoding for the sFileName parameter; consider adding Content-Security-Policy headers as a defense-in-depth measure until vendor patch is available.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-54175 — 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-2025-54175 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
- No weaponised exploit code, or anything meant to cause harm
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