Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

Debian 11: MediaWiki Critical Info Disclosure & DoS Threat DLA-4355-1

debian lts
Calendar Grey October 31, 2025
Dist Debian Esm H88
Critical mediawiki security fixes for information disclosure and denial of service vulnerabilities on Debian LTS.
Multiple security vulnerabilities were found in mediawiki, a website engine for collaborative work, that could lead to information disclosure, denial of service or privilege escala...

Summary

CVE-2025-11173

OATHAuth extension: Reauthentication for enabling 2FA can be
bypassed by submitting a form in Special:OATHManage.

CVE-2025-11261

Stored i18n Cross-site scripting (XSS) vulnerability in
mw.language.listToText.

CVE-2025-61635

ConfirmEdit extension: Missing rate limiting in
ApiFancyCaptchaReload.

CVE-2025-61638

Parsoid: Validation bypass for `data-` attributes.

CVE-2025-61639

Log entries which are hidden from the creation of the entry may be
disclosed to the public recent change entry.

CVE-2025-61640

Stored i18n Cross-site scripting (XSS) vulnerability in
Special:RecentChangesLinked.

CVE-2025-61641

DDoS vulnerability in QueryAllPages API in miser mode. The
`maxsize` value is now ignored in that mode.

CVE-2025-61643

Suppressed recent changes may be disclosed to the public RCFeeds.

CVE-2025-61646

Public Watchlist/RecentChanges pages may disclose hidden usernames
when an individual editor makes consecutive revisions on a single

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Package: mediawiki
Version: 1:1.35.13-1+deb11u5
CVE ID: CVE-2025-11173 CVE-2025-11261 CVE-2025-61635 CVE-2025-61638

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here