CVE-2024-23887
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 has been reported in Cups Easy (Purchase & Inventory), version 1.0, whereby user-controlled inputs are not sufficiently encoded, resulting in a Cross-Site Scripting (XSS) vulnerability via /cupseasylive/grncreate.php, in the grndate parameter. Exploitation of this vulnerability could allow a remote attacker to send a specially crafted URL to an authenticated user and steal their session cookie credentials.
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 confidenceReflected XSS vulnerability in Cups Easy v1.0 where the grndate parameter at /cupseasylive/grncreate.php does not properly encode user input before rendering in the page. An attacker can craft a malicious URL containing JavaScript that executes in the authenticated user's browser to steal session cookies.
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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Identify Cups Easy installation and versionCheck your web server for the Cups Easy application files and determine the installed version number. Look for version indicators in the application or check file metadata.Affected if The installed version is Cups Easy 1.0
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Locate the affected scriptVerify the presence of /cupseasylive/grncreate.php in your web server document root. This is the vulnerable file that handles the grndate parameter.Affected if The file /cupseasylive/grncreate.php exists in your installation
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Confirm authentication requirementDetermine if you have authenticated access to the Cups Easy application. The XSS payload requires a valid authenticated session to execute.Affected if You can log into Cups Easy and access the grncreate.php functionality
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Test grndate parameter for XSSIf authenticated, navigate to /cupseasylive/grncreate.php and inject an XSS payload into the grndate parameter, such as grndate=><script>alert(1)</script>. Observe if the payload renders unescaped in the response.Affected if The grndate parameter reflects input without HTML encoding, causing the script to execute in your browser
You are affected if you have Cups Easy v1.0 installed with the /cupseasylive/grncreate.php file accessible to authenticated users, and the grndate parameter reflects unsanitized input in the page response.
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 proper output encoding for the grndate parameter and add input validation/sanitization before rendering user-supplied data in HTML context.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-23887 — 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-2024-23887 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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