CVE-2023-53941
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 · uneditedEasyPHP Webserver 14.1 contains an OS command injection vulnerability that allows unauthenticated attackers to execute arbitrary system commands by injecting malicious payloads through the app_service_control parameter. Attackers can send POST requests to /index.php?zone=settings with crafted app_service_control values to execute commands with administrative privileges.
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 confidenceEasyPHP Webserver 14.1 has an OS command injection vulnerability in the /index.php?zone=settings endpoint. The app_service_control parameter accepts unsanitized user input that gets passed to system shell execution, allowing unauthenticated attackers to inject and execute arbitrary OS commands with administrative privileges.
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= 14.1CVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
-
Confirm EasyPHP Webserver installationLocate EasyPHP installation directory or check running services. On Windows, common paths are C:\Program Files\EasyPHP or C:\Program Files (x86)\EasyPHP. Check if the EasyPHP Webserver 14.1 service is running.Affected if EasyPHP Webserver version 14.1 is installed and running as a service.
-
Verify settings endpoint accessibilityAttempt to access the URL pattern http://<server>/index.php?zone=settings from a browser or curl command. Check if the settings page loads without authentication.Affected if The settings page at /index.php?zone=settings is accessible without authentication.
-
Test app_service_control parameter behaviorSend a request to /index.php?zone=settings with a test value in the app_service_control parameter, such as app_service_control=test. Observe if the parameter is accepted and reflected in the response.Affected if The app_service_control parameter accepts and processes user-supplied input without apparent sanitization.
-
Check network exposure of the web interfaceReview firewall rules or network configuration to determine if the EasyPHP web management interface is exposed to untrusted networks. Use netstat or similar tools to list listening interfaces.Affected if The web interface is listening on a publicly accessible IP or accessible from untrusted networks.
You are affected if EasyPHP Webserver 14.1 is running with the settings endpoint accessible over the network and the app_service_control parameter accepts unsanitized input.
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 dataImmediately restrict network access to the settings interface, implement strict input validation on the app_service_control parameter to strip shell metacharacters, and upgrade to a patched version if available. Consider disabling the web-based settings interface if not required.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-53941 — 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-2023-53941 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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.
- 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