[IT-SecNots] [MediaWiki-announce] MediaWiki Extensions and Skins Security Release Supplement (1.31.15/1.35.3/1.36.1)

[Scott Bassett <sbassett AT wikimedia.org>]

Greetings-

With the security/maintenance release of MediaWiki 1.31.15/1.35.3/1.36.1
[0], we would also like to provide this supplementary announcement of
MediaWiki extensions and skins with now-public Phabricator tasks, security
patches and backports [1]:

 == SocialProfile ==
+ (T281043, CVE-2021-36130) - Stored XSS in various SystemGifts-related
special pages
<https://gerrit.wikimedia.org/r/q/Id915eba45497a1a0dc1c4e00818a2fd4c0ce55d3>

 == SportsTeams ==
+ (T281196, CVE-2021-36131) - Stored XSS in SportsTeams'
Special:SportsTeamsManager & Special:UpdateFavoriteTeams
<https://gerrit.wikimedia.org/r/691913>

 == FileImporter ==
+ (T280590, CVE-2021-36132) - Special:ImportFile does not check permissions
from own config FileImporterRequiredRight
<https://gerrit.wikimedia.org/r/q/I8ff2a67abd2c118a3469e4410eac2a451bfa76c3>

 == ManageWiki ==
+ (T281417, CVE-2021-29483) - 'wikiconfig' API leaked private config
variables
<
https://github.com/miraheze/ManageWiki/security/advisories/GHSA-jmc9-rv2f-g8vv
>

 == CentralAuth ==
+ (T260865, CVE-2021-36125) - Very long usernames can cause an infinite
loop when loading Special:GlobalRenameRequest
<https://gerrit.wikimedia.org/r/q/I97d8b3236b5abed8ba9a9c4d3ab5050c2e782c22>
+ (T281972, CVE-2021-36128) - Disable autoblocks for CentralAuth-issued
suppression blocks
<https://gerrit.wikimedia.org/r/q/I15d14c88a1e30df92c470bc191c4ee573172d4d1>
+ (T285190, CVE-2021-36127) - Special:GlobalUserRights reveals existence of
globally suppressed users
<https://gerrit.wikimedia.org/r/q/I4e4dbcad61e1d4f6fd8b038bf63d19c69081a8ec>

 == Translate ==
+ (T282932, CVE-2021-36129) - Aggregategroups Action API module allows
deleting translatable page metadata for any group without trace
<https://gerrit.wikimedia.org/r/q/I3619a7e88c2eb979babb7b027d4fdbfabc0af792>

 == AbuseFilter ==
+ (T284364, CVE-2021-36126) - Bad english MediaWiki:Abusefilter-blocker
breaks filters
<https://gerrit.wikimedia.org/r/q/I9e9f44b7663e810de70fb9ac7f6760f83dd4895b>

The Wikimedia Security Team recommends updating these extensions and/or
skins to the current master branch or relevant, supported release branch
[2] as soon as possible. Some of the referenced Phabricator tasks above
_may_ still be private. Unfortunately, when security issues are reported,
sometimes sensitive information is exposed and since Phabricator is
historical, we cannot make these tasks public without exposing this
sensitive information. If you have any additional questions or concerns
regarding this update, please feel free to contact security AT wikimedia.org
or file a security task within Phabricator [3].

[0]
https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce AT lists.wikimedia.org/thread/YR3X4L2CPSEJVSY543AWEO65TD6APXHP/
[1] https://phabricator.wikimedia.org/T279733
[2] https://www.mediawiki.org/wiki/Version_lifecycle
[3] https://www.mediawiki.org/wiki/Reporting_security_bugs

-- 
Scott Bassett
sbassett AT wikimedia.org
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