[IT-SecNots] [MediaWiki-announce] MediaWiki Extensions and Skins Security Release Supplement (1.31.7/1.33.3/1.34.1)

[Scott Bassett <sbassett AT wikimedia.org>]

Greetings-

With the security/maintenance release of MediaWiki 1.31.7/1.33.3/1.34.1
[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]:

== MobileFrontend ==
+ (T240502, No CVE) - List known raw html messages
<https://gerrit.wikimedia.org/r/q/I301aee4093fe2b0e8f6dfe5422226bb80af1de2>

== WikibaseMediaInfo ==
+ (T240773, CVE-2020-6163) - Escape labels in HTML output
<https://gerrit.wikimedia.org/r/q/If47903f11645e52d56a875be4c03de47400cef0>

== Widgets ==
+ (T245850, CVE-2020-9382) - Title::newFromText() is not safe for user input
<https://gerrit.wikimedia.org/r/q/I953e060bc6994ffdba9f380c98173f53f8ca1ea8>

== GlobalBlocking ==
+ (T229731, CVE-2020-10534) - Apply most specific global block
<https://gerrit.wikimedia.org/r/q/I9cc5fb2c08c78bbd797a5fc6d89f4577c8cc118>

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/pipermail/wikitech-l/2020-March/093243.html
[1] https://phabricator.wikimedia.org/T240400
[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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