CVE-2020-25213

Summary

The File Manager (wp-file-manager) plugin before 6.9 for WordPress allows remote attackers to upload and execute arbitrary PHP code because it renames an unsafe example elFinder connector file to have the .php extension. This, for example, allows attackers to run the elFinder upload (or mkfile and put) command to write PHP code into the wp-content/plugins/wp-file-manager/lib/files/ directory. This was exploited in the wild in August and September 2020.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://wordpress.org/plugins/wp-file-manager/#developers
• https://github.com/w4fz5uck5/wp-file-manager-0day
• https://hotforsecurity.bitdefender.com/blog/wordpress-websites-attacked-via-file-manager-plugin-vulnerability-24048.html
• https://wordfence.com/blog/2020/09/700000-wordpress-users-affected-by-zero-day-vulnerability-in-file-manager-plugin/
• https://plugins.trac.wordpress.org/changeset/2373068
• https://zdnet.com/article/millions-of-wordpress-sites-are-being-probed-attacked-with-recent-plugin-bug/
• https://seravo.com/blog/0-day-vulnerability-in-wp-file-manager/
• http://packetstormsecurity.com/files/160003/WordPress-File-Manager-6.8-Remote-Code-Execution.html
• http://packetstormsecurity.com/files/171650/WordPress-File-Manager-6.9-Shell-Upload.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-25213

References

• https://wordpress.org/plugins/wp-file-manager/#developers
• https://github.com/w4fz5uck5/wp-file-manager-0day
• https://hotforsecurity.bitdefender.com/blog/wordpress-websites-attacked-via-file-manager-plugin-vulnerability-24048.html
• https://wordfence.com/blog/2020/09/700000-wordpress-users-affected-by-zero-day-vulnerability-in-file-manager-plugin/
• https://plugins.trac.wordpress.org/changeset/2373068
• https://zdnet.com/article/millions-of-wordpress-sites-are-being-probed-attacked-with-recent-plugin-bug/
• https://seravo.com/blog/0-day-vulnerability-in-wp-file-manager/
• http://packetstormsecurity.com/files/160003/WordPress-File-Manager-6.8-Remote-Code-Execution.html
• http://packetstormsecurity.com/files/171650/WordPress-File-Manager-6.9-Shell-Upload.html

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