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Fencer Intel
critical 9.8

CVE-2018-20300 json

Empire CMS 7.5 allows remote attackers to execute arbitrary PHP code via the ftemp parameter in an enews=EditMemberForm action because this…

published 7y ago modified 4mo ago also EUVD-2018-12863

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

Empire CMS 7.5 allows remote attackers to execute arbitrary PHP code via the ftemp parameter in an enews=EditMemberForm action because this code is injected into a memberform.$fid.php file.

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Exploit prediction

1.58% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • p0desta.com http://p0desta.com/2018/12/19/empirecms%E6%9C%80%E6%96%B0%E7%89%88%E5%90%8E%E5%8F%B0%E5%A4%9A%E5%A4%84getshell/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/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-94 Improper Control of Generation of Code

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.