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Fencer Intel
high 8.8

CVE-2018-17553 in the critical feed json

An "Unrestricted Upload of File with Dangerous Type" issue with directory traversal in navigate_upload.php in Naviwebs Navigate CMS 2.8 all…

published 8y ago modified 4mo ago also EUVD-2018-9306

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
79.0%
EPSS 79.0% chance of exploitation in 30 days, percentile 99.5%
public exploits
2
Metasploit and Exploit-DB

Summary

An "Unrestricted Upload of File with Dangerous Type" issue with directory traversal in navigate_upload.php in Naviwebs Navigate CMS 2.8 allows authenticated attackers to achieve remote code execution via a POST request with engine=picnik and id=../../../navigate_info.php.

Patch / fix

Is CVE-2018-17553 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

  1. First public exploit (Metasploit exploit/multi/http/navigate_cms_rce)
  2. Published

Exploit prediction

78.99% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/multi/http/navigate_cms_rce Navigate CMS Unauthenticated Remote Code Execution metasploit exploit, excellent rank, 2018-09-26
  • EDB-45561 Navigate CMS - (Unauthenticated) Remote Code Execution (Metasploit) remote, 2018-10-08
  • github.com https://github.com/rapid7/metasploit-framework/pull/10704 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.