CVE-2018-15886
CVSS v3
7.2
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the admin/index.php?id=snippets&action=edit_snippet&filename=google-analytics URI, which allows attackers to execute arbitrary PHP code by placing this code after a <?php substring.
Technical details
- Published
- 2018-09-10
Frequently asked questions
What is CVE-2018-15886?
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the admin/index.php?id=snippets&action=edit_snippet&filename=google-analytics URI, which allows attackers to execute arbitrary PHP code by placing this code after a <?php substring.
Is CVE-2018-15886 actively exploited?
Active exploitation of CVE-2018-15886 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-15886?
CVE-2018-15886 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2018-15886 affecting your environment?
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