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CVE-2016-7791

CRITICAL

Exponent CMS 2.3.9 suffers from a remote code execution vulnerability in /install/index.php. An attacker can upload an evil 'exploit.tar.gz' file to the website, then extract it by visiting '/install/index.php?install_sample=../../files/exploit', which leads to arbitrary code execution.

Published: Jan 12, 2017 Modified: Jun 17, 2026
CWE-20

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (1)

Vendor Product Version
exponentcms exponent_cms 2.3.9

GitHub Security Advisory GHSA-7mv2-gxmv-9mfg

Exponent CMS 2.3.9 suffers from a remote code execution vulnerability in /install/index.php. An...

References (4)

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 3.94%

Top 11% most likely to be exploited

Threat Score 40.4 / 100

Data Sources

NVD EPSS GitHub