CVE-2018-20151 Information disclosure in n/a

What is CVE-2018-20151?

CVE-2018-20151 is a high-severity vulnerability in Debian Debian Linux, published on 14 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In WordPress before 4.9.9 and 5.x before 5.0.1, the user-activation page could be read by a search engine's web crawler if an unusual configuration were chosen. The search engine could then index and display a user's e-mail address and (rarely) the password that was generated by default.

Weakness: CWE-200

Which versions are affected by CVE-2018-20151?

It affects 2 products.

Products include Debian Debian Linux, Wordpress Wordpress.

How do I fix CVE-2018-20151?

Upgrade to a fixed version.

Is CVE-2018-20151 being exploited?

There is no known exploitation of CVE-2018-20151 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 DEBIAN-CVE-2018-20151, GHSA-4mq7-pxfh-pjjv, UBUNTU-CVE-2018-20151.