How severe is CVE-2018-9848?

CVE-2018-9848 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-9848 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-9848?

CVE-2018-9848 affects Gxlcms Gxlcms Qy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-9848?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-9848 published?

CVE-2018-9848 was published on 2018-04-07 and last updated on 2026-06-17.

CVE-2018-9848

CVE-2018-9848 is a critical-severity vulnerability in Gxlcms Gxlcms Qy with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Gxlcms Gxlcms Qy
Published: 2018-04-07
Last modified: 2026-06-17

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.

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.
How severe is CVE-2018-9848?: CVE-2018-9848 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-9848 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-9848?: CVE-2018-9848 affects Gxlcms Gxlcms Qy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-9848?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-9848 published?: CVE-2018-9848 was published on 2018-04-07 and last updated on 2026-06-17.

References

http://www.atksec.com/cve/GxlcmsQY-v1.0.0713-upload-getshell/index.html

Affected products (1)

cpe:2.3:a:gxlcms:gxlcms_qy:1.0.0713:*:*:*:*:*:*:*

More vulnerabilities in Gxlcms Gxlcms Qy

CVE-2018-9852 — Critical (CVSS 9.8): In Gxlcms QY v1.0.0713, Lib\Lib\Action\Home\HitsAction.class.php allows remote attackers to read data from a database…
CVE-2018-9847 — Critical (CVSS 9.8): In Gxlcms QY v1.0.0713, the update function in Lib\Lib\Action\Admin\TplAction.class.php allows remote attackers to…
CVE-2018-9247 — Critical (CVSS 9.8): The upsql function in \Lib\Lib\Action\Admin\DataAction.class.php in Gxlcms QY v1.0.0713 allows remote attackers to…
CVE-2018-9851 — High (CVSS 7.5): In Gxlcms QY v1.0.0713, Lib\Lib\Action\Admin\TplAction.class.php allows remote attackers to read any file via a…
CVE-2018-9850 — High (CVSS 7.5): In Gxlcms QY v1.0.0713, Lib\Lib\Action\Admin\DataAction.class.php allows remote attackers to delete any file via…

All CVEs affecting Gxlcms Gxlcms Qy →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →