dbcve.org
PostxWordPress extension · Wpxpo

CVE-2024-50443

MEDIUM · 5.4 CVSS v3.1 Published 2024-10-28
Fix available
A fix is available. Upgrade to 4.1.13 or later.
See remediation →
58/100
Remediation priority · Elevated
Remotely reachable

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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPXPO PostX ultimate-post.This issue affects PostX: from n/a through <= 4.1.12.

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

Stored Cross-site Scripting (XSS) vulnerability in WPXPO PostX plugin allows attackers to inject malicious JavaScript through unsanitized user inputs that get rendered in web pages when visitors access affected content.

MitigationUpdate PostX plugin to the latest version which includes proper input sanitization and output encoding; alternatively, ensure all user-supplied data is escaped using appropriate WordPress functions (esc_html, esc_attr, etc.) before rendering.

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
PostxWordPress extension
Affected:< 4.1.13

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
Low
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/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 checks

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

  1. Verify PostX plugin is installed
    Navigate to WordPress admin dashboard > Plugins and confirm WPXPO PostX appears in the installed plugins list, or check for the plugin directory at wp-content/plugins/
    Affected if PostX plugin is present in the WordPress installation
  2. Check installed PostX version
    In WordPress admin, go to Plugins > Installed Plugins > PostX and view the version number displayed, or open the main plugin file (e.g., postx.php) and locate the 'Version' header in the plugin comments
    Affected if Version number is less than 4.1.13
  3. Inspect plugin source for unsanitized output functions
    Examine PHP files in the PostX plugin directory for user input variables (such as $_POST, $_GET, or database values) being output directly to HTML without WordPress escape functions like esc_html(), esc_attr(), or wp_kses()
    Affected if Plugin code contains user input being rendered without proper escaping functions
  4. Review stored content for injected scripts
    Check WordPress database tables (typically wp_posts, wp_postmeta) for any PostX-related custom post types or metadata containing script tags, iframe tags, or javascript: URIs
    Affected if Database contains suspicious script tags or event handlers in PostX-related content entries

Environment is affected if PostX plugin version is below 4.1.13 AND the plugin is actively storing or displaying user-supplied content without sanitization.

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.

dbcve · scoped
Upgrade available Upgrade to 4.1.13 or later
Fixed in 4.1.13
Interim mitigation

Update PostX plugin to the latest version which includes proper input sanitization and output encoding; alternatively, ensure all user-supplied data is escaped using appropriate WordPress functions (esc_html, esc_attr, etc.) before rendering.

Recommended fix High confidence

4.1.13

  1. 1. Back up your WordPress site and database before updating.
  2. 2. Navigate to WordPress admin dashboard > Plugins.
  3. 3. Find PostX (WPXPO PostX ultimate-post) in the installed plugins list.
  4. 4. Click the 'Update now' link if an update is available, or navigate to Plugins > Add New > Upload Plugin to upload version 4.1.13.
  5. 5. After updating to version 4.1.13, verify the plugin is active and functioning correctly.
  6. 6. Test the affected functionality to confirm the XSS vulnerability is resolved.

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Postx Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,130
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,408.

Scan for this in your stack

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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-2024-50443 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
  • No spam, self-promotion, credentials, or personal data