Bucket is a MediaWiki extension to store and retrieve structured data on articles. Prior to 2.1.1, a stored XSS can be inserted into any Bucket table field that has a PAGE type, which will execute whenever a user views that table's corresponding Bucket namespace page. This vulnerability is fixed in 2.1.1.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 3
https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/46ec08876ba906…
security-advisories@github.com
https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/cba9cf9c8751e9…
security-advisories@github.com
https://github.com/weirdgloop/mediawiki-extensions-Bucket/security/advisories/G…
security-advisories@github.com