CVE-2024-23877
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/currencycreate.php, in the currencyid 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 · moderate confidenceA reflected Cross-Site Scripting (XSS) vulnerability exists in Cups Easy (Purchase & Inventory) version 1.0. The currencyid parameter in /cupseasylive/currencycreate.php is not properly encoded before being rendered in the HTML output, allowing injection of malicious JavaScript code.
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 installation and versionLocate and examine any version files, README files, or admin panels that indicate the installed version of Cups Easy (Purchase & Inventory). Compare the found version to 1.0.Affected if The installed version is Cups Easy version 1.0 from Ajaysharma.
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Confirm affected file existsCheck for the presence of /cupseasylive/currencycreate.php in the web root or application directory.Affected if The file currencycreate.php exists in the cupseasylive directory.
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Inspect currencyid parameter handlingOpen currencycreate.php and locate the code that handles the currencyid parameter. Check whether output encoding (such as htmlspecialchars or equivalent) is applied to this parameter before it is echoed into the HTML response.Affected if The currencyid parameter is directly output into HTML without proper encoding functions.
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Verify parameter is user-controllableExamine the source code to confirm the currencyid parameter is received from user input (GET or POST request) and reflected back in the page output without sanitization.Affected if The currencyid parameter is taken from user input and reflected in the HTML output without encoding.
A user is affected if they are running Ajaysharma Cups Easy version 1.0 and the file cupseasylive/currencycreate.php exists with the currencyid parameter being reflected without output 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 output encoding for the currencyid parameter and all user-controlled inputs in the affected file. Additionally, apply context-appropriate input validation and consider implementing Content Security Policy headers as a defense-in-depth measure.
- Consultation2.0 h
- Implementation3.0 h
- Testing4.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-23877 — 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-2024-23877 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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