CVE-2018-9851
CVSS v3
7.5
HIGH
EPSS Score
1.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In Gxlcms QY v1.0.0713, Lib\\Lib\\Action\\Admin\\TplAction.class.php allows remote attackers to read any file via a modified pathname in an Admin-Tpl request, as demonstrated by use of '|' instead of '/' as a directory separator, in conjunction with a ".." sequence.
Technical details
- Published
- 2018-04-08
Frequently asked questions
What is CVE-2018-9851?
In Gxlcms QY v1.0.0713, Lib\\Lib\\Action\\Admin\\TplAction.class.php allows remote attackers to read any file via a modified pathname in an Admin-Tpl request, as demonstrated by use of '|' instead of '/' as a directory separator, in conjunction with a ".." sequence.
Is CVE-2018-9851 actively exploited?
Active exploitation of CVE-2018-9851 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-9851?
CVE-2018-9851 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-9851 affecting your environment?
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