CVE-2020-36842: migration\, File Upload RCE — Fix

Description

The Migration, Backup, Staging – WPvivid plugin for WordPress is vulnerable to arbitrary file uploads due to a missing capability check on the wpvivid_upload_import_files and wpvivid_upload_files AJAX actions that allows low-level authenticated attackers to upload zip files that can be subsequently extracted. This affects versions up to, and including 0.9.35.

Is your site exposed to CVE-2020-36842?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
wpvivid	migration\,_backup\,_staging	< 0.9.35

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2261665%40wpvivid-backuprestore%2Ftrunk&old=2252870%40wpvivid-backuprestore%2Ftrunk&sfp_email=&sfph_mail=

Other References

https://www.webarxsecurity.com/vulnerability-in-wpvivid-backup-plugin-can-lead-to-database-leak/?fbclid=IwAR3Ve74ZIvmx-aC0OssIWYwcWEjGq6yU16DcyVGHD1XUT3uYaZ3QyVu_Eos&utm_content=buffer4435b&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer https://www.wordfence.com/threat-intel/vulnerabilities/id/de1da248-2e03-40fa-8997-7176dc06abc9?source=cve

Frequently Asked Questions

What is CVE-2020-36842? +

The Migration, Backup, Staging – WPvivid plugin for WordPress is vulnerable to arbitrary file uploads due to a missing capability check on the wpvivid_upload_import_files and wpvivid_upload_files AJAX actions that allows low-level authenticated attackers to upload zip files that can be subsequently extracted. This affects versions up to, and including 0.9.35. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2020-36842? +

CVE-2020-36842 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2020-36842? +

CVE-2020-36842 affects products from wpvivid, specifically: migration\,_backup\,_staging. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2020-36842? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-3219

pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a …

CVE-2024-43662

The <redacted>.exe or <redacted>.exe CGI binary can be used to upload arbitrary files to /tmp/upload/ or /tmp/ respectively as any …

CVE-2026-41517

Emlog is an open source website building system. Prior to version 2.6.11, insecure plugin upload functionality allows attackers to upload …

CVE-2026-5482

Responsive FileManager's allows an unauthenticated attacker to upload files of any type and extension without restriction using dialog.php endpoint, leading …

CVE-2026-34027

The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains insufficient server-side file type validation in the /safe/contract/uploadcustomdocuments endpoint. The application validates uploaded …

CVE-2019-25714

Seeyon OA A8 contains an unauthenticated arbitrary file write vulnerability in the /seeyon/htmlofficeservlet endpoint that allows remote attackers to write …

CVE-2020-36842