CVE-2023-1500
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, which was classified as problematic, has been found in code-projects Simple Art Gallery 1.0. Affected by this issue is some unknown functionality of the file adminHome.php. The manipulation of the argument about_info leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-223400.
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 reflected XSS vulnerability exists in adminHome.php of Simple Art Gallery 1.0 where the about_info parameter is not properly sanitized before being rendered in the page output, allowing injection of malicious JavaScript.
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= 1.0CVSS 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
- 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 Simple Art Gallery 1.0 is installedLocate the web application directory and verify the presence of adminHome.php file. Check version metadata files or the application readme for 'Simple Art Gallery' version 1.0.Affected if The adminHome.php file exists and the application version is Code Projects Simple Art Gallery 1.0
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Identify the about_info parameter handling in adminHome.phpOpen adminHome.php in a text editor and search for where the about_info parameter is extracted (e.g., $_REQUEST['about_info'], $_GET['about_info']) and where it is output to the page.Affected if The about_info parameter is retrieved and rendered in the page output
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Check if input sanitization is applied to about_infoReview the code around the about_info parameter usage to determine if any sanitization functions (such as htmlspecialchars, htmlentities, or strip_tags) are applied before outputting the value.Affected if The about_info value is output without any encoding or sanitization functions
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Test the reflected XSS vulnerabilityAccess adminHome.php in a browser and append a test payload to the about_info parameter (e.g., ?about_info=<script>alert('XSS')</script>), then check if the payload reflects unescaped in the page or executes.Affected if The test payload reflects as raw HTML/JavaScript in the response or executes when the page loads
If Simple Art Gallery version 1.0 is installed and the about_info parameter in adminHome.php is handled without sanitization, the environment is affected by CVE-2023-1500.
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 input validation and output encoding to the about_info parameter. Use context-appropriate escaping when displaying the value and consider implementing a Content Security Policy as defense-in-depth.
- Consultation3.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2023-1500 — 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-2023-1500 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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