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Amss\+\+Application · Amss\+\+ Project

CVE-2024-2594

MEDIUM · 6.1 CVSS v3.1 Published 2024-03-18
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable No privileges

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 · unedited
Vulnerability in AMSS++ version 4.31, which does not sufficiently encode user-controlled input, resulting in a Cross-Site Scripting (XSS) vulnerability through /amssplus/admin/index.php, in multiple parameters. 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 confidence

Reflected XSS vulnerability in AMSS++ version 4.31 admin panel (/amssplus/admin/index.php) where multiple parameters fail to properly encode user-controlled input, enabling attackers to inject malicious scripts that can steal authenticated user session cookies.

MitigationImplement robust input validation and output encoding for all user-supplied parameters in the affected file; consider deploying a WAF rule as an interim control while code fixes are developed.

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
Amss\+\+Application
Affected:= 4.31

CVSS 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 checks

Work through these to decide whether this CVE applies to you.

  1. Confirm AMSS++ installation exists
    Locate the AMSS++ web application directory on your server. Common paths include /var/www/html/amssplus or C:\inetpub\wwwroot\amssplus. Check for the presence of the amssplus folder and its admin subdirectory.
    Affected if The AMSS++ application is present on the server with the admin panel accessible.
  2. Identify the installed AMSS++ version
    Check the version file or header within the AMSS++ installation. Look for a version.php, README, or any file containing '4.31' or the version string within the main amssplus directory.
    Affected if The installed version is exactly 4.31, matching the affected version listed in the CVE.
  3. Verify admin panel accessibility
    Check if the path /amssplus/admin/index.php is accessible via HTTP/HTTPS on your web server. Confirm the file exists in the expected location within the web root.
    Affected if The admin panel file exists and is accessible over the network.
  4. Inspect parameter handling in the affected file
    Review the source code of /amssplus/admin/index.php. Search for parameters that accept user input (GET or POST requests) and are reflected back in the response without proper encoding. Common XSS-prone parameters include search fields, ID parameters, or navigation parameters.
    Affected if The admin panel code processes user-supplied parameters and reflects them in HTML output without encoding (e.g., no htmlspecialchars, no output encoding functions).
  5. Test for reflected XSS vulnerability
    Using a browser or HTTP tool, submit a harmless test payload (such as <script>alert('XSS')</script>) to the admin panel URL with various parameters. If the payload appears unencoded in the response, the vulnerability is present.
    Affected if User-supplied input in any parameter is returned verbatim in the page response without encoding, allowing script execution.

Your environment is affected if AMSS++ version 4.31 is installed, the admin panel at /amssplus/admin/index.php is accessible, and user-controlled parameters are reflected in HTML output without encoding.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement robust input validation and output encoding for all user-supplied parameters in the affected file; consider deploying a WAF rule as an interim control while code fixes are developed.

Fix this in Amss\+\+ Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-2594 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • 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
  • No spam, self-promotion, credentials, or personal data