CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
51.1%
Mediawiki v1.40.0 does not validate namespaces used in XML files.Therefore, if the instance administrator allows XML file uploads,a remote attacker with a low-privileged user account can use thisexploit to become an administrator by sending a malicious link tothe instance administrator.
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
51.1%