CVE-2026-58028
Publication date 1 July 2026
Last updated 10 July 2026
Ubuntu priority
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation CentralAuth. This vulnerability is associated with program files includes/Api/ApiFormatBase.Php, includes/Api/ApiHelp.Php, includes/ResourceLoader/Module.Php, includes/Hooks/Handlers/PageDisplayHookHandler.Php, includes/LogFormatter/PermissionChangeLogFormatter.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9; CentralAuth: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| mediawiki | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
Severity score breakdown
CVSS version:
Base score
0.0 · Low
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N
Base score
5.4 · Medium
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-58028
- http://phabricator.wikimedia.org/T422306
- https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306211 (master)
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CentralAuth/+/1306216 (master)
- https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306308 (REL1_43)
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CentralAuth/+/1306320 (REL1_43)