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Vulnerability details: VCID-br8b-mesh-skgj
Vulnerability ID VCID-br8b-mesh-skgj
Aliases CVE-2018-20151
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
System Score Found at
epss 0.05091 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05091 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
epss 0.05095 https://api.first.org/data/v1/epss?cve=CVE-2018-20151
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-20151
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-20151
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-20151
https://codex.wordpress.org/Version_4.9.9
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20147
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20148
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20149
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20150
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20151
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20152
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20153
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8942
https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/
https://wordpress.org/support/wordpress-version/version-5-0-1/
https://wpvulndb.com/vulnerabilities/9174
https://www.debian.org/security/2019/dsa-4401
https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/
http://www.securityfocus.com/bid/106220
916403 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916403
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2018-20151 https://nvd.nist.gov/vuln/detail/CVE-2018-20151
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20151
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20151
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.89481
EPSS Score 0.05091
Published At Aug. 2, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:59:31.452769+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2018-20151 37.0.0