dbcve.org
InjectionWeakness · CWE-74

CVE-2026-9422

HIGH · 7.3 CVSS v3.1 Published 2026-05-25
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
82/100
Remediation priority · High
Remotely reachable No privileges Zero-click

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
A vulnerability was identified in KLiK SocialMediaWebsite 1.0. This issue affects some unknown processing of the component HTTP POST Request Parameter Handler. Such manipulation leads to injection. The attack can be launched remotely. The exploit is publicly available and might be used.

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 · low confidence

An injection vulnerability exists in the HTTP POST Request Parameter Handler of KLiK SocialMediaWebsite 1.0. The issue allows remote attackers to inject malicious input through POST request parameters, and a public exploit is available.

MitigationImplement strict input validation and use parameterized queries/prepared statements for all POST parameter handling to prevent injection attacks.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

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
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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. Identify KLiK SocialMediaWebsite installation
    Check for the application by accessing the web root directory or querying the web server for known paths such as /, /index.php, or the application's login page. Inspect HTTP response headers or page source for 'KLiK SocialMediaWebsite' branding.
    Affected if The application is KLiK SocialMediaWebsite and is accessible via web browser.
  2. Confirm the product version
    Review the application's version information, typically found in an about page, footer, source code comments, or a version file such as version.txt, CHANGELOG, or a config file. Compare against version 1.0.
    Affected if The installed version is KLiK SocialMediaWebsite 1.0.
  3. Locate the POST parameter handler component
    Identify the endpoint or script that handles HTTP POST requests. Common paths may include /post_handler, /submit, /process, or similar endpoints defined in the application's routing configuration or PHP files in the root directory.
    Affected if The POST parameter handler component is present and accessible.
  4. Test for lack of input validation on POST parameters
    Send a crafted HTTP POST request to the identified handler endpoint with test payloads in the POST parameters (such as SQL injection test characters like single quotes, or command injection metacharacters). Compare the application's response for errors, unexpected behavior, or direct reflection of input without sanitization.
    Affected if The application reflects or processes unsanitized POST input without proper validation or parameterized queries.
  5. Inspect the parameter handling code
    If source code access is available, examine the PHP or other script files responsible for processing POST parameters. Look for direct use of $_POST variables in database queries, system commands, or output without sanitization functions such as htmlspecialchars, mysqli_real_escape_string, or prepared statements.
    Affected if The code directly uses POST parameters without validation, sanitization, or prepared statements.

A user is affected if they run KLiK SocialMediaWebsite version 1.0 with the POST parameter handler exposed and no input validation layer protecting the parameter processing logic.

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 strict input validation and use parameterized queries/prepared statements for all POST parameter handling to prevent injection attacks.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
16.0 hours of engineering $2,800
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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-2026-9422 in production — separate from our analysis above.

No notes yet

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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