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Fencer Vulns
critical 9.8

CVE-2019-9825 json

FeiFeiCMS 4.1.190209 allows remote attackers to upload and execute arbitrary PHP code by visiting index.php?s=Admin-Index to modify the set…

published 2019-03-14 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-19187

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

FeiFeiCMS 4.1.190209 allows remote attackers to upload and execute arbitrary PHP code by visiting index.php?s=Admin-Index to modify the set of allowable file extensions, as demonstrated by adding php to the default jpg,gif,png,jpeg setting, and then using the "add article" feature.

Exploit prediction

2.22% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

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-434 Unrestricted Upload of File with Dangerous Type

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.