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SetucocmsApplication · Setucocms Project

CVE-2016-4891

HIGH · 8.8 CVSS v3.0 Published 2017-04-12
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
95/100
Remediation priority · Urgent
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
Cross-site request forgery (CSRF) vulnerability in SetsucoCMS all versions allows remote attackers to hijack the authentication of an administrator to change settings via unspecified vectors.

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 confidence

Cross-site request forgery (CSRF) vulnerability in SetsucoCMS affecting all versions allows remote attackers to hijack an administrator's authenticated session to make unauthorized settings changes. The attack exploits the lack of CSRF tokens or proper request validation, enabling malicious requests to be triggered from attacker-controlled pages while the administrator is logged in.

MitigationImplement anti-CSRF tokens (synchronizer token pattern) for all state-changing operations, particularly administrative settings pages. Additionally, configure SameSite cookie attributes and validate Origin/Referer headers as defense-in-depth measures.

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
SetucocmsApplication
Affected:all versions

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
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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 checks

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

  1. Locate Setucocms installation directory
    Identify the web root directory where Setucocms is installed. Common paths include /var/www/html/, /www/, or the document root configured in your web server.
    Affected if The software is installed and accessible via web browser.
  2. Identify administrative settings pages
    Browse to the Setucocms admin panel and identify pages that perform state-changing operations such as configuration updates, user management, or site settings. These are the endpoints vulnerable to CSRF attacks.
    Affected if The admin panel is accessible and contains forms or links that modify system configuration.
  3. Inspect HTML forms for CSRF token presence
    View the page source of admin settings forms. Right-click and select 'View Page Source' or use browser developer tools (F12) to examine the HTML. Look for hidden input fields named类似 token, csrf, or security_token within the form tags.
    Affected if No hidden CSRF token field is found in any admin settings form HTML.
  4. Verify server-side CSRF token validation
    Examine the server-side code that processes admin POST requests. Look for validation logic that checks the submitted token against a stored session value. Common patterns include checking $_POST['token'] against $_SESSION['csrf_token'] or equivalent framework methods.
    Affected if The code that handles admin form submissions does not validate any CSRF token or similar protection mechanism.
  5. Check cookie SameSite attribute configuration
    Inspect the cookies set by Setucocms during an admin session. Use browser developer tools (Application > Cookies) or a command-line tool like curl with -v to view response headers. Look for SameSite attribute in Set-Cookie headers.
    Affected if Session cookies are set without the SameSite attribute or without SameSite=Strict/Lax.
  6. Verify Origin or Referer header validation
    Review the server-side code that processes admin requests. Look for validation logic that checks the Origin or Referer HTTP headers to confirm the request originated from your own domain.
    Affected if No code validates the Origin or Referer header before processing administrative actions.

If administrative settings forms lack CSRF tokens and the server-side code does not validate tokens, headers, or SameSite cookies, the installation is vulnerable to CVE-2016-4891.

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 anti-CSRF tokens (synchronizer token pattern) for all state-changing operations, particularly administrative settings pages. Additionally, configure SameSite cookie attributes and validate Origin/Referer headers as defense-in-depth measures.

Fix this in Setucocms Scoped from the published advisory
  • Consultation4.0 h
  • Implementation12.0 h
  • Testing6.0 h
  • Review / QA3.0 h
25.0 hours of engineering $4,400
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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-2016-4891 in production — separate from our analysis above.

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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
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  • No spam, self-promotion, credentials, or personal data