CVE-2024-23893
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/costcentermodify.php, in the costcenterid 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 confidenceA reflected Cross-Site Scripting (XSS) vulnerability exists in Cups Easy (Purchase & Inventory) v1.0 within the costcentermodify.php script. The costcenterid parameter accepts user input without proper output encoding, allowing injection of malicious JavaScript. An attacker can craft a URL containing script payloads that, when clicked by an authenticated user, executes in the victim's browser to exfiltrate session cookie credentials.
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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Verify Cups Easy versionLocate and inspect the application version file, header, or about page to confirm the installed version is exactly 1.0Affected if The installed version is Cups Easy (Purchase & Inventory) version 1.0 exactly
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Locate vulnerable scriptSearch the web root for the file costcentermodify.php - typical paths may include /costcentermodify.php or /php/costcentermodify.phpAffected if The file costcentermodify.php exists in the application directory
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Check parameter handlingExamine the costcentermodify.php source code and inspect how the costcenterid parameter is processed and output in HTML responseAffected if The costcenterid parameter is directly output in HTML without encoding or sanitization
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Verify authentication requirementConfirm that the costcentermodify.php page requires authentication to access or is accessible within an authenticated sessionAffected if The page is accessible to authenticated users and the vulnerable parameter is processed without output encoding
You are affected if you are running Cups Easy (Purchase & Inventory) version 1.0 with the costcentermodify.php script present and the costcenterid parameter outputs user 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 robust input validation and context-appropriate output encoding for the costcenterid parameter. Additionally, configure session cookies with HttpOnly and Secure flags to prevent client-side script access.
- Consultation1.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-23893 — 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-2024-23893 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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