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9.8

Wp-Insert plugin lets attackers upload malicious PHP files

CVE-2018-17573 · published 8 years ago
Summary

The Wp-Insert add‑on for WordPress (versions up to 2.4.2) exposes parts of the FCKeditor file manager, allowing anyone to upload their own PHP scripts. This could let a bad actor place and run code on your site, potentially taking control of the server. Update to a newer version, disable the vulnerable editor features, or remove the plugin altogether.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
smartlogix wp-insert <= 2.4.2
cpe:2.3:a:smartlogix:wp-insert:*:*:*:*:*:wordpress:*:*
Original advisory text
The Wp-Insert plugin through 2.4.2 for WordPress allows upload of arbitrary PHP code because of the exposure and configuration of FCKeditor under fckeditor/editor/filemanager/browser/default/browse...
The Wp-Insert plugin through 2.4.2 for WordPress allows upload of arbitrary PHP code because of the exposure and configuration of FCKeditor under fckeditor/editor/filemanager/browser/default/browser.html, fckeditor/editor/filemanager/connectors/test.html, and fckeditor/editor/filemanager/connectors/uploadtest.html.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.8 Critical
Exploitation
3% chance of attack within 30 days
Type
CWE-434Unrestricted File Upload
Timeline
Published28 Sep 2018
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2018-17573 · NVD
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