cve.bz

CVE-2018-6383

8.8 highEPSS 13%

High (8.8) in monstra monstra. EPSS 13% chance of exploitation in the next 30 days.

Monstra CMS through 3.0.4 has an incomplete "forbidden types" list that excludes .php (and similar) file extensions but not the .pht or .phar extension, which allows remote authenticated Admins or Editors to execute arbitrary PHP code by uploading a file, a different vulnerability than CVE-2017-18048.

Severity

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
13% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWE
CWE-184
Published
Modified
Record from
the NVD, synced

Affected

References

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