CVE-2023-3537
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 vulnerability classified as problematic has been found in SimplePHPscripts News Script PHP Pro 2.4. This affects an unknown part of the file /preview.php of the component URL Parameter Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The identifier VDB-233289 was assigned to this vulnerability.
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 confidenceA reflected cross-site scripting (XSS) vulnerability exists in SimplePHPscripts News Script PHP Pro 2.4 in the /preview.php file. The URL parameter handler fails to properly sanitize or encode user-supplied input, allowing an attacker to inject malicious JavaScript via a crafted URL parameter.
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= 2.4CVSS 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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Confirm SimplePHPscripts News Script PHP Pro is installedLocate the web application directory and identify if this specific PHP script is present. Check for the presence of preview.php in the web root or script directory.Affected if The application directory contains SimplePHPscripts News Script PHP Pro files
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Verify the installed version is 2.4Check the source code for version identification - typically in a config file, README, or the main PHP script header. Look for a version string or constant set to '2.4'.Affected if The installed version is exactly 2.4
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Inspect preview.php for unsanitized parameter handlingOpen preview.php and examine how URL parameters (particularly 'id' or other parameters) are handled. Look for code that directly outputs request parameters into HTML without using htmlspecialchars(), htmlentities(), or similar encoding functions.Affected if preview.php contains code that directly outputs URL parameters into HTML without sanitization
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Test for reflected XSS via URL parameter injectionSend a crafted request to preview.php with a test payload in the URL parameter (e.g., preview.php?id=<script>alert('XSS')</script>) and observe if the script tag is reflected in the response without encoding.Affected if The parameter value is reflected in the HTML output without encoding
If SimplePHPscripts News Script PHP Pro version 2.4 is installed and preview.php reflects URL parameters without sanitization, the environment is affected by CVE-2023-3537.
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 proper input validation and output encoding for all URL parameters in preview.php to prevent XSS execution. The fix involves sanitizing the 'id' or other parameters before rendering them in HTML output.
- Consultation2.0 h
- Implementation3.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2023-3537 — 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-2023-3537 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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