CVE-2018-7556 Information disclosure in n/a

What is CVE-2018-7556?

CVE-2018-7556 is a critical vulnerability in Debian Debian Linux, published on 28 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

LimeSurvey 2.6.x before 2.6.7, 2.7x.x before 2.73.1, and 3.x before 3.4.2 mishandles application/controller/InstallerController.php after installation, which allows remote attackers to access the configuration file.

Weakness: CWE-200

Which versions are affected by CVE-2018-7556?

It affects 2 products.

Products include Debian Debian Linux, Limesurvey Limesurvey.

How do I fix CVE-2018-7556?

No fix has been published for CVE-2018-7556 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-7556 being exploited?

There is no known exploitation of CVE-2018-7556 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hp6w-j2mw-89jv.