6.1

CVE-2026-58032

mw.Api.getErrorMessage() may return injected HTML if used without errorformat=html

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki.

 This vulnerability is associated with program files resources/src/mediawiki.Api/index.Js.



This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mediawiki ≫ Mediawiki Version >= 1.43.0 < 1.43.9
Mediawiki ≫ Mediawiki Version >= 1.44.0 < 1.44.6
Mediawiki ≫ Mediawiki Version >= 1.45.0 < 1.45.4
Mediawiki ≫ Mediawiki Version1.46.0 Updaterc0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.166
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc 5.3 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://phabricator.wikimedia.org/T426867
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