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Vulnerability record · CVE-2018-20151 · published 14 December 2018

CVE-2018-20151: Wordpress information exposure vulnerability

Wordpress · Wordpress

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.

7.5 CVSS 3.0 High EPSS 5.8% · top 7.2% CWE-200 · Information exposure
7.5CVSS 3.0 base score, v2 5.0
5.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

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.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/106220 Third Party AdvisoryVDB Entry
https://codex.wordpress.org/Version_4.9.9 ProductVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html Mailing ListThird Party Advisory
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/ Release NotesVendor Advisory
https://wordpress.org/support/wordpress-version/version-5-0-1/ Release NotesVendor Advisory
https://wpvulndb.com/vulnerabilities/9174 Vendor Advisory
https://www.debian.org/security/2019/dsa-4401 Third Party Advisory
https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/ Press/Media CoverageThird Party Advisory
http://www.securityfocus.com/bid/106220 Third Party AdvisoryVDB Entry
https://codex.wordpress.org/Version_4.9.9 ProductVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html Mailing ListThird Party Advisory
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/ Release NotesVendor Advisory
https://wordpress.org/support/wordpress-version/version-5-0-1/ Release NotesVendor Advisory
https://wpvulndb.com/vulnerabilities/9174 Vendor Advisory
https://www.debian.org/security/2019/dsa-4401 Third Party Advisory
https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/ Press/Media CoverageThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-20151), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.