CVE-2023-40752
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 · uneditedThere is a Cross Site Scripting (XSS) vulnerability in the "action" parameter of index.php in PHPJabbers Make an Offer Widget v1.0.
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 Cross Site Scripting (XSS) vulnerability exists in the 'action' parameter of index.php in PHPJabbers Make an Offer Widget v1.0. An attacker can inject malicious JavaScript into the parameter which will be executed in the browsers of users who view the affected page.
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 PHPJabbers Make an Offer Widget is installedCheck your web server for the presence of the 'make-an-offer-widget' directory or files named 'index.php' from this product. Common paths include /var/www/html/, /www/, or within a web hosting account's document root.Affected if The PHPJabbers Make an Offer Widget files exist on the server
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Identify the installed versionLocate the index.php file in the widget directory and inspect the file header, comments, or any version-specific configuration files for a version number. Also check any 'readme.txt', 'version', or 'config' files included with the widget.Affected if The version is exactly 1.0 (or if version cannot be determined but the product is present)
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Confirm the index.php 'action' parameter is accessibleAttempt to access the index.php file via HTTP/HTTPS request, for example: GET /path/to/index.php?action=testAffected if The page loads and accepts an 'action' parameter without proper authentication or sanitization requirements
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Check for output encoding on the 'action' parameterReview the index.php source code (or the PHP file handling the request) to inspect how the 'action' parameter value is processed and echoed back in the response. Look for whether the parameter is used in HTML output without escaping.Affected if The code directly outputs the 'action' parameter value without sanitization or encoding functions such as htmlspecialchars()
If the PHPJabbers Make an Offer Widget v1.0 is installed and the index.php file handles the 'action' parameter without sanitization, the environment is affected by this XSS vulnerability.
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/escaping for the 'action' parameter to neutralize malicious script payloads.
- Consultation2.0 h
- Implementation2.0 h
- Testing1.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-40752 — 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-2023-40752 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
- No spam, self-promotion, credentials, or personal data