CVSS v3
8.8
HIGH
EPSS Score
2.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Monstra CMS 3.0.4 allows remote authenticated users to upload and execute arbitrary PHP code via admin/index.php?id=filesmanager because, for example, .php filenames are blocked but .php7 filenames are not, a related issue to CVE-2017-18048.
Technical details
- Published
- 2020-05-22
Frequently asked questions
What is CVE-2020-13384?
Monstra CMS 3.0.4 allows remote authenticated users to upload and execute arbitrary PHP code via admin/index.php?id=filesmanager because, for example, .php filenames are blocked but .php7 filenames are not, a related issue to CVE-2017-18048.
Is CVE-2020-13384 actively exploited?
Active exploitation of CVE-2020-13384 has not been confirmed. Its EPSS score was 2.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-13384?
CVE-2020-13384 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-13384 affecting your environment?
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