Vulnerabilities
Vulnerable Software
Mediawiki:  >> Mediawiki  >> 1.23.16  Security Vulnerabilities
In MediaWiki through 1.37, the Special:ImportFile URI (aka FileImporter) allows XSS, as demonstrated by the clientUrl parameter.
CVSS Score
6.1
EPSS Score
0.003
Published
2021-12-24
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=edit&undo= followed by action=mcrundo and action=mcrrestore to view private pages on a private wiki that has at least one page set in $wgWhitelistRead.
CVSS Score
7.5
EPSS Score
0.003
Published
2021-12-20
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.
CVSS Score
6.5
EPSS Score
0.001
Published
2021-12-17
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. By using an action=rollback query, attackers can view private wiki contents.
CVSS Score
5.3
EPSS Score
0.003
Published
2021-12-17
MediaWiki before 1.36.2 allows XSS. Month related MediaWiki messages are not escaped before being used on the Special:Search results page.
CVSS Score
6.1
EPSS Score
0.001
Published
2021-10-11
MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.
CVSS Score
7.5
EPSS Score
0.002
Published
2021-10-11
MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). Visiting Special:Contributions can sometimes result in a long running SQL query because PoolCounter protection is mishandled.
CVSS Score
5.3
EPSS Score
0.001
Published
2021-10-11
The ReplaceText extension through 1.41 for MediaWiki has Incorrect Access Control. When a user is blocked after submitting a replace job, the job is still run, even if it may be run at a later time (due to the job queue backlog)
CVSS Score
8.8
EPSS Score
0.005
Published
2021-10-11
An issue was discovered in MediaWiki through 1.36.2. A parser function related to loop control allowed for an infinite loop (and php-fpm hang) within the Loops extension because egLoopsCountLimit is mishandled. This could lead to memory exhaustion.
CVSS Score
7.5
EPSS Score
0.004
Published
2021-10-06
An issue was discovered in CentralAuth in MediaWiki through 1.36.2. The rightsnone MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the setchange log.
CVSS Score
6.1
EPSS Score
0.008
Published
2021-10-06


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