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CVE-2026-58028

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
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9f22292b02dce6fadf2b0e05f6730afbd7a2e43e70bd5d66beff28b4bd370736
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"CentralAuth","programFiles":["includes/Hooks/Handlers/PageDisplayHookHandler.php","includes/LogFormatter/PermissionChangeLogFormatter.php"],"vendor":"Wikimedia Foundation","versions":[{"lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","status":"affected","version":"*","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9c1b0fbcfc1f555df0e73008c2639d1f7be7f6843b7db8d9f964182d3502989a · sha256:5d9eaef356d86b94… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"MediaWiki","programFiles":["includes/Api/ApiFormatBase.php","includes/Api/ApiHelp.php","includes/ResourceLoader/Module.php"],"repo":"https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/heads/master","vendor":"Wikimedia Foundation","versions":[{"lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","status":"affected","version":"*","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9c1b0fbcfc1f555df0e73008c2639d1f7be7f6843b7db8d9f964182d3502989a · sha256:5d9eaef356d86b94… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"CentralAuth","programFiles":["includes/Hooks/Handlers/PageDisplayHookHandler.php","includes/LogFormatter/PermissionChangeLogFormatter.php"],"vendor":"Wikimedia Foundation","versions":[{"lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","status":"affected","version":"*","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9c1b0fbcfc1f555df0e73008c2639d1f7be7f6843b7db8d9f964182d3502989a · sha256:5d9eaef356d86b94… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"MediaWiki","programFiles":["includes/Api/ApiFormatBase.php","includes/Api/ApiHelp.php","includes/ResourceLoader/Module.php"],"repo":"https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/heads/master","vendor":"Wikimedia Foundation","versions":[{"lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","status":"affected","version":"*","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9c1b0fbcfc1f555df0e73008c2639d1f7be7f6843b7db8d9f964182d3502989a · sha256:5d9eaef356d86b94… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":0,"baseSeverity":"NONE","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NON…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9c1b0fbcfc1f555df0e73008c2639d1f7be7f6843b7db8d9f964182d3502989a · sha256:5d9eaef356d86b94… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9c1b0fbcfc1f555df0e73008c2639d1f7be7f6843b7db8d9f964182d3502989a · sha256:5d9eaef356d86b94… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://phabricator.wikimedia.org/T422306"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9c1b0fbcfc1f555df0e73008c2639d1f7be7f6843b7db8d9f964182d3502989a · sha256:5d9eaef356d86b94… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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