{"id":"CVE-2026-58028","state":"PUBLISHED","title":"Pretty-printed API output combined with centralauthtoken allows XSS with certain gadgets","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation CentralAuth.\n\n 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.\n\n\n\nThis 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.","publishedAt":"2026-07-01T15:15:17.250Z","updatedAt":"2026-07-01T15:50:39.761Z","severity":{"score":0,"label":"None","version":"4.0","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","source":"wikimedia-foundation"},"assigner":"wikimedia-foundation","products":["Wikimedia Foundation MediaWiki","Wikimedia Foundation CentralAuth"],"affected":[{"vendor":"Wikimedia Foundation","product":"MediaWiki","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected","lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","versionType":"semver"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/heads/master","programFiles":["includes/Api/ApiFormatBase.php","includes/Api/ApiHelp.php","includes/ResourceLoader/Module.php"]},{"vendor":"Wikimedia Foundation","product":"CentralAuth","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected","lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","versionType":"semver"}],"programFiles":["includes/Hooks/Handlers/PageDisplayHookHandler.php","includes/LogFormatter/PermissionChangeLogFormatter.php"]}],"references":["https://phabricator.wikimedia.org/T422306"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/58xxx/CVE-2026-58028.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-58028","state":"PUBLISHED","datePublished":"2026-07-01T15:15:17.250Z","dateUpdated":"2026-07-01T15:50:39.761Z","assignerShortName":"wikimedia-foundation","assignerOrgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateReserved":"2026-06-27T13:32:37.577Z"},"containers":{"cna":{"title":"Pretty-printed API output combined with centralauthtoken allows XSS with certain gadgets","descriptions":[{"lang":"en","value":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation CentralAuth.\n\n 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.\n\n\n\nThis 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."}],"affected":[{"vendor":"Wikimedia Foundation","product":"MediaWiki","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected","lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","versionType":"semver"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/heads/master","programFiles":["includes/Api/ApiFormatBase.php","includes/Api/ApiHelp.php","includes/ResourceLoader/Module.php"]},{"vendor":"Wikimedia Foundation","product":"CentralAuth","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected","lessThan":"1.46.0, 1.45.4, 1.44.6, 1.43.9","versionType":"semver"}],"programFiles":["includes/Hooks/Handlers/PageDisplayHookHandler.php","includes/LogFormatter/PermissionChangeLogFormatter.php"]}],"references":[{"url":"https://phabricator.wikimedia.org/T422306"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"NONE","baseScore":0,"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"wikimedia-foundation","orgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateUpdated":"2026-07-01T15:15:17.250Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-01T15:50:31.075019Z","id":"CVE-2026-58028","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-01T15:50:39.761Z"}}]}}}