Search for vulnerabilities
Vulnerability details: VCID-ckvp-abay-jbbj
Vulnerability ID VCID-ckvp-abay-jbbj
Aliases CVE-2019-19709
GHSA-pjv5-vv93-p648
Summary Possible to circumvent title-blacklist MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
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 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
epss 0.00248 https://api.first.org/data/v1/epss?cve=CVE-2019-19709
cvssv3.1 6.1 https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8
generic_textual MODERATE https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-pjv5-vv93-p648
cvssv3.1 6.1 https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-19709.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-19709.yaml
cvssv3.1 6.1 https://github.com/wikimedia/mediawiki
generic_textual MODERATE https://github.com/wikimedia/mediawiki
cvssv2 5.8 https://nvd.nist.gov/vuln/detail/CVE-2019-19709
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2019-19709
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2019-19709
cvssv3.1 6.1 https://phabricator.wikimedia.org/T239466
generic_textual MODERATE https://phabricator.wikimedia.org/T239466
cvssv3.1 6.1 https://seclists.org/bugtraq/2019/Dec/48
generic_textual MODERATE https://seclists.org/bugtraq/2019/Dec/48
cvssv3.1 6.1 https://www.debian.org/security/2019/dsa-4592
generic_textual MODERATE https://www.debian.org/security/2019/dsa-4592
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-19709
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19709
https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8
https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-19709.yaml
https://github.com/wikimedia/mediawiki
https://nvd.nist.gov/vuln/detail/CVE-2019-19709
https://phabricator.wikimedia.org/T239466
https://seclists.org/bugtraq/2019/Dec/48
https://www.debian.org/security/2019/dsa-4592
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
GHSA-pjv5-vv93-p648 https://github.com/advisories/GHSA-pjv5-vv93-p648
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-19709.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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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: AV:N/AC:M/Au:N/C:P/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-19709
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-19709
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://phabricator.wikimedia.org/T239466
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://seclists.org/bugtraq/2019/Dec/48
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.debian.org/security/2019/dsa-4592
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 0.47981
EPSS Score 0.00248
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:10:22.490749+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-pjv5-vv93-p648/GHSA-pjv5-vv93-p648.json 37.0.0