[MEDIUM] MediaWiki allows a denial of service

PKSA-qcmj-k84v-rjky CVE-2021-41800 GHSA-c8wv-qwwc-6j73

Affected version: <1.36.2

Reported by:
GitHub

Exposed suppressed log in RevisionDelete page

PKSA-jpp4-6j25-9ryr CVE-2019-12470

Affected version: >=1.27.0,<1.27.6|>=1.30.0,<1.30.2|>=1.31.0,<1.31.2|>=1.32.0,<1.32.2

Reported by:
FriendsOfPHP/security-advisories

API responses for unpatrolled or (not) autopatrolled recent changes require privileges but may be cached publicly

PKSA-fksz-ptgz-3jth CVE-2019-12474

Affected version: >=1.27.0,<1.27.6|>=1.30.0,<1.30.2|>=1.31.0,<1.31.2|>=1.32.0,<1.32.2

Reported by:
FriendsOfPHP/security-advisories

Forbid blocking IP ranges as big as /1 and /2, as done on ruwikiquote using the API

PKSA-2rqt-w99v-qcks CVE-2019-12472

Affected version: >=1.27.0,<1.27.6|>=1.30.0,<1.30.2|>=1.31.0,<1.31.2|>=1.32.0,<1.32.2

Reported by:
FriendsOfPHP/security-advisories

Exposed suppressed username or log in Special:EditTags

PKSA-92kc-wmpx-tswg CVE-2019-12469

Affected version: >=1.27.0,<1.27.6|>=1.30.0,<1.30.2|>=1.31.0,<1.31.2|>=1.32.0,<1.32.2

Reported by:
FriendsOfPHP/security-advisories

Direct POST to Special:ChangeEmail will bypass reauth check

PKSA-kgmc-xj3p-ddfr CVE-2019-12468

Affected version: >=1.27.0,<1.27.6|>=1.30.0,<1.30.2|>=1.31.0,<1.31.2|>=1.32.0,<1.32.2

Reported by:
FriendsOfPHP/security-advisories

Need to make a limit of count of attempts to change email address

PKSA-79fc-46xz-1c8z CVE-2019-12467

Affected version: >=1.27.0,<1.27.6|>=1.30.0,<1.30.2|>=1.31.0,<1.31.2|>=1.32.0,<1.32.2

Reported by:
FriendsOfPHP/security-advisories

Use token when logging out

PKSA-kb8d-c7hc-dy3v CVE-2019-12466

Affected version: >=1.27.0,<1.27.6|>=1.30.0,<1.30.2|>=1.31.0,<1.31.2|>=1.32.0,<1.32.2|>=1.32.99,<1.33.0

Reported by:
FriendsOfPHP/security-advisories

Loading JS from user space where the username is not a registered account is dangerous and should be banned

PKSA-qc4c-7cdq-417d CVE-2019-12471

Affected version: >=1.27.0,<1.27.6|>=1.30.0,<1.30.2|>=1.31.0,<1.31.2

Reported by:
FriendsOfPHP/security-advisories

Potential enwiki DOS due to slow WatchedItemStore::countVisitingWatchersMultiple

PKSA-kt9r-ys7h-z4q8 CVE-2019-12473

Affected version: >=1.27.0,<1.27.6|>=1.30.0,<1.30.2|>=1.31.0,<1.31.2

Reported by:
FriendsOfPHP/security-advisories

$wgRateLimits (rate limit / ping limiter) entry for 'user' overrides that for 'newbie'

PKSA-zbzt-cmt6-4sc8 CVE-2018-0503

Affected version: >=1.27.0,<1.27.5|>=1.29.0,<1.29.3|>=1.30.0,<1.30.1|>=1.31.0,<1.31.1

Reported by:
FriendsOfPHP/security-advisories

BotPassword can bypass CentralAuth's account lock

PKSA-rr5m-4z44-9fg2 CVE-2018-0505

Affected version: >=1.27.0,<1.27.5|>=1.29.0,<1.29.3|>=1.30.0,<1.30.1|>=1.31.0,<1.31.1

Reported by:
FriendsOfPHP/security-advisories

When a log event is (partially) hidden Special:Redirect/logid can link to the incorrect log and reveal hidden information

PKSA-63nj-9fx8-gscb CVE-2018-0504

Affected version: >=1.27.0,<1.27.5|>=1.29.0,<1.29.3|>=1.30.0,<1.30.1|>=1.31.0,<1.31.1

Reported by:
FriendsOfPHP/security-advisories