CVE-2024-23862
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/grndisplay.php, in the grnno 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 confidenceCups Easy (Purchase & Inventory) v1.0 contains a reflected XSS vulnerability in /cupseasylive/grndisplay.php via the 'grnno' parameter. User-supplied input is not properly encoded before being reflected in the HTML output, allowing an attacker to inject malicious JavaScript. Exploitation requires tricking an authenticated user into clicking a crafted URL, which can then steal session cookies for session hijacking.
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 Cups Easy v1.0 installationLocate the Cups Easy application files in the web root directory. Check for the presence of the /cupseasylive/ directory structure typically found in the application distribution.Affected if The Cups Easy (Purchase & Inventory) v1.0 application is installed and the /cupseasylive/ directory exists in the web root.
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Identify vulnerable file presenceLocate the grndisplay.php file within the /cupseasylive/ directory. This file should exist in a standard Cups Easy v1.0 installation.Affected if The file grndisplay.php exists in the /cupseasylive/ directory.
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Verify web application accessibilityConfirm the Cups Easy web application is accessible over HTTP/HTTPS. Try accessing the application's login page or any endpoint under /cupseasylive/.Affected if The Cups Easy web application is running and accessible via browser or HTTP request.
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Confirm authentication requirementCheck whether the grndisplay.php endpoint requires authentication. Attempt to access it directly or examine the application's session handling to verify users must be logged in.Affected if The grndisplay.php endpoint is accessible to authenticated users, meaning an attacker would need a valid user session to exploit the XSS.
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Inspect parameter handling in sourceExamine the grndisplay.php source code to verify the 'grnno' parameter is directly reflected in HTML output without proper encoding or sanitization.Affected if The grnno parameter from the query string is output in the HTML response without encoding, allowing script injection.
A user is affected if they have Cups Easy v1.0 installed with grndisplay.php accessible to authenticated users and the grnno parameter reflects unsanitized input in the HTML 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 input validation and output encoding on the grnno parameter and all user-controlled inputs in grndisplay.php. Additionally, configure the session cookie with HttpOnly and Secure flags to mitigate the impact of cookie theft.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-23862 — 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-2024-23862 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
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