CVE-2026-58034: falha em Wikimedia Foundation CheckUser
Stored XSS through a system message when blocking a temporary account that's related to other temporary accounts
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 0epss 0.3%
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser.
This vulnerability is associated with program files modules/ext.CheckUser.TempAccounts/components/blockConnectedTempAccountsField.Vue.
This issue affects CheckUser: from 1.46.0-rc.0 before 1.46.0.
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N
Produtos afetados
Wikimedia Foundation · CheckUserCVEs relacionadas — Wikimedia Foundation CheckUser
No mesmo produto, das mais perigosas para as menos.
CVE-2025-61649LOWUserInfoCard: Check that performing user has permission to view log entries for number of past blocksEPSS 0.4%CVE-2025-67478NONEWrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"EPSS 0.3%CVE-2025-61647LOWUserInfoCard: Don't allow access to information about users who are suppressed if you don't have suppressor rightsEPSS 0.3%CVE-2025-61650LOWUserInfoCard is vulnerable to message key stored XSSEPSS 0.3%CVE-2026-34090MEDIUMSuggested investigations: Handle suppressed usernamesEPSS 0.3%CVE-2025-61658LOWSpecial:GlobalContributions shows edits on wikis the viewer doesn't have access toEPSS 0.3%
Referências
https://phabricator.wikimedia.org/T428820