CVE-2018-9848
CVSS v3
9.8
CRITICAL
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In Gxlcms QY v1.0.0713, the upload function in Lib\\Lib\\Action\\Admin\\UploadAction.class.php allows remote attackers to execute arbitrary PHP code by first using an Admin-Admin-Configsave request to change the config[upload_class] value from jpg,gif,png,jpeg to jpg,gif,png,jpeg,php and then making an Admin-Upload-Upload request.
Technical details
- Published
- 2018-04-07
Frequently asked questions
What is CVE-2018-9848?
In Gxlcms QY v1.0.0713, the upload function in Lib\\Lib\\Action\\Admin\\UploadAction.class.php allows remote attackers to execute arbitrary PHP code by first using an Admin-Admin-Configsave request to change the config[upload_class] value from jpg,gif,png,jpeg to jpg,gif,png,jpeg,php and then making an Admin-Upload-Upload request.
Is CVE-2018-9848 actively exploited?
Active exploitation of CVE-2018-9848 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-9848?
CVE-2018-9848 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-9848 affecting your environment?
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