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CVE-2019-19709

Good to know:

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Date: December 10, 2019

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.

Language: PHP

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2019-19709
https://phabricator.wikimedia.org/T239466
https://security-tracker.debian.org/tracker/CVE-2019-19709
https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8
https://seclists.org/bugtraq/2019/Dec/48
https://www.debian.org/security/2019/dsa-4592
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19709
https://www.mend.io/vulnerability-database/CVE-2019-19709

Severity Score

Weakness Type (CWE)

URL Redirection to Untrusted Site ('Open Redirect')

CWE-601

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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