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Cross-Site Request Forgery (CSRF)Weakness · CWE-352

CVE-2025-53305

HIGH · 7.1 CVSS v3.1 Published 2025-06-27
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
78/100
Remediation priority · High
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 lucidcrew WP Forum Server forum-server allows Stored XSS.This issue affects WP Forum Server: from n/a through <= 1.8.2.

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

A CSRF vulnerability in lucidcrew WP Forum Server versions up to 1.8.2 allows authenticated users to be tricked into executing unintended actions that inject malicious scripts (Stored XSS) into forum posts or content. The lack of anti-CSRF token validation on state-changing requests enables attackers to craft malicious HTML/JavaScript payloads that persist on the server and execute in other users' browsers.

MitigationImplement anti-CSRF tokens on all forms and state-changing operations (POST/GET requests), validate and sanitize all user inputs on the server side, and consider adding Content Security Policy (CSP) headers to mitigate XSS execution.

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
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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 if lucidcrew WP Forum Server is installed
    Navigate to WordPress admin dashboard under Plugins > Installed Plugins and search for 'WP Forum Server' or 'lucidcrew'. Alternatively, check the wp-content/plugins/ directory for a folder named wp-forum-server, forum-server, or similar.
    Affected if The plugin is present in the WordPress installation
  2. Determine the installed version number
    In the Plugins admin page, locate the WP Forum Server plugin and read the version number from the plugin description. Alternatively, open the main plugin PHP file (usually in wp-content/plugins/[plugin-folder]/ and check the plugin header for 'Version:' field).
    Affected if The version is 1.8.2 or any lower version (the vulnerability affects versions up to 1.8.2)
  3. Check for CSRF token presence on forum submission forms
    View the page source of any forum post creation or edit form in the frontend. Look for a hidden input field named '_wpnonce', 'csrf_token', or similar anti-CSRF token mechanism. Also inspect POST requests using browser developer tools to see if a token is being sent.
    Affected if No anti-CSRF token (wpnonce, csrf_token, etc.) is found in the HTML form or request payload for state-changing operations like creating/editing posts
  4. Verify if stored content is sanitized on output
    Create a test forum post containing a simple HTML script tag (e.g., <script>alert(1)</script>) using an authenticated account. Then view that post as a different user or in incognito mode to see if the script executes or is properly escaped.
    Affected if The script tag executes in the browser (actual XSS) rather than being rendered as plain text or escaped

If the WP Forum Server plugin version is 1.8.2 or lower AND the forum forms lack CSRF token protection, the environment is vulnerable to CVE-2025-53305.

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 on all forms and state-changing operations (POST/GET requests), validate and sanitize all user inputs on the server side, and consider adding Content Security Policy (CSP) headers to mitigate XSS execution.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,490
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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-2025-53305 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
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