CVE-2020-28339: WordPress plugin vulnerability

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The usc-e-shop (aka Collne Welcart e-Commerce) plugin before 1.9.36 for WordPress allows Object Injection because of usces_unserialize. There is not a complete POP chain.

How to mitigate CVE-2020-28339

Time needed: 5 minutes.

Follow the instructions, as they will assist you in mitigating the WordPress vulnerability that been reported in CVE-2020-28339.

  1. Install the latest version of WordPress

    Navigate to the official WordPress website and download the latest version of WordPress. The latest version contains the CVE-2020-28339 fix.
    Update to the latest version

  2. Perform a vulnerability assessment

    Perform a scan on your WordPress environment(s), and check for vulnerabilities. Verify if CVE-2020-28339 has been mitigated.

  3. Utilize the references

    The CVE-2020-28339 references have been provided for a reason. Utilize these references and make sure that you are correctly informed.

References

  • wordpress.org/plugins/usc-e-shop/#developers
  • www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/
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