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Vulnerability details: VCID-gma6-b9cy-kqee
Vulnerability ID VCID-gma6-b9cy-kqee
Aliases CVE-2019-12467
GHSA-6vfg-8ppv-h5hg
Summary MediaWiki Incorrect Access Control vulnerability MediaWiki through 1.32.1 has Incorrect Access Control (issue 1 of 3). A spammer can use Special:ChangeEmail to send out spam with no rate limiting or ability to block them. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-284 Improper Access Control
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2019-12467
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-6vfg-8ppv-h5hg
cvssv3.1 5.3 https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12467.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12467.yaml
cvssv3.1 5.3 https://github.com/wikimedia/mediawiki
generic_textual MODERATE https://github.com/wikimedia/mediawiki
cvssv3.1 5.3 https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
generic_textual MODERATE https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2019-12467
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2019-12467
cvssv3.1 5.3 https://phabricator.wikimedia.org/T209794
generic_textual MODERATE https://phabricator.wikimedia.org/T209794
cvssv3.1 5.3 https://seclists.org/bugtraq/2019/Jun/12
generic_textual MODERATE https://seclists.org/bugtraq/2019/Jun/12
cvssv3.1 5.3 https://www.debian.org/security/2019/dsa-4460
generic_textual MODERATE https://www.debian.org/security/2019/dsa-4460
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-12467
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11358
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12466
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12467
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12468
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12469
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12470
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12471
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12472
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12473
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12474
https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12467.yaml
https://github.com/wikimedia/mediawiki
https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
https://nvd.nist.gov/vuln/detail/CVE-2019-12467
https://phabricator.wikimedia.org/T209794
https://seclists.org/bugtraq/2019/Jun/12
https://www.debian.org/security/2019/dsa-4460
GHSA-6vfg-8ppv-h5hg https://github.com/advisories/GHSA-6vfg-8ppv-h5hg
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12467.yaml
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/wikimedia/mediawiki
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12467
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://phabricator.wikimedia.org/T209794
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://seclists.org/bugtraq/2019/Jun/12
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://www.debian.org/security/2019/dsa-4460
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 0.52598
EPSS Score 0.00292
Published At April 26, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:09:52.635817+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-6vfg-8ppv-h5hg/GHSA-6vfg-8ppv-h5hg.json 38.0.0