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HIGH

CVE-2018-20127

CVSS v3

7.5

HIGH

EPSS Score

1.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue was discovered in zzzphp cms 1.5.8. del_file in /admin/save.php allows remote attackers to delete arbitrary files via a mixed-case extension and an extra '.' character, because (for example) "php" is blocked but path=F:/1.phP. succeeds.

Technical details

Published
2018-12-13

Frequently asked questions

What is CVE-2018-20127?

An issue was discovered in zzzphp cms 1.5.8. del_file in /admin/save.php allows remote attackers to delete arbitrary files via a mixed-case extension and an extra '.' character, because (for example) "php" is blocked but path=F:/1.phP. succeeds.

Is CVE-2018-20127 actively exploited?

Active exploitation of CVE-2018-20127 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20127?

CVE-2018-20127 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2018-20127 affecting your environment?

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