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Fencer Vulns
critical 9.8

CVE-2018-16763 in the critical feed json

FUEL CMS 1.4.1 allows PHP Code Evaluation via the pages/select/ filter parameter or the preview/ data parameter.

published 2018-09-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8563

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
82.9%
EPSS 82.9% chance of exploitation in 30 days, percentile 99.6%
public exploits
3
Exploit-DB, plus a Nuclei check

Summary

FUEL CMS 1.4.1 allows PHP Code Evaluation via the pages/select/ filter parameter or the preview/ data parameter. This can lead to Pre-Auth Remote Code Execution.

Patch / fix

Timeline

  1. Published
  2. First public exploit (EDB-47138)

Exploit prediction

82.94% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50477 Fuel CMS 1.4.1 - Remote Code Execution (3) webapps, 2021-11-03
  • EDB-49487 Fuel CMS 1.4.1 - Remote Code Execution (2) webapps, 2021-01-28
  • EDB-47138 fuel CMS 1.4.1 - Remote Code Execution (1) webapps, 2019-07-19
  • Nuclei template FUEL CMS 1.4.1 - Remote Code Execution nuclei detection template
  • 0xd0ff9.wordpress.com https://0xd0ff9.wordpress.com/2019/07/19/from-code-evaluation-to-pre-auth-remote-code-execution-cve-2018-16763-bypass/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/153696/fuelCMS-1.4.1-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/160080/Fuel-CMS-1.4-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/164756/Fuel-CMS-1.4.1-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Vulns 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.