CVE-2019-19709
December 11, 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.
Affected Packages
mediawiki/core (PHP):
Affected version(s) >=1.33.0 <1.33.2Fix Suggestion:
Update to version 1.33.2mediawiki/core (PHP):
Affected version(s) >=1.34.0-rc.0 <1.34.0Fix Suggestion:
Update to version 1.34.0mediawiki/core (PHP):
Affected version(s) >=1.32.0 <1.32.6Fix Suggestion:
Update to version 1.32.6mediawiki/core (PHP):
Affected version(s) >=1.31.0 <1.31.6Fix Suggestion:
Update to version 1.31.6Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
CVSS v2
Base Score:
5.8
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Weakness Type (CWE)
URL Redirection to Untrusted Site ('Open Redirect')
EPSS
Base Score:
0.32
