{"items":[{"id":"NVI-00008158","kind":"vulnerability","title":"MediaWiki Special:UserRights exposes the existence of hidden users","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-c4rj-wrmq-52rj","CVE-2020-25813"],"plain_summary":"OSV carries this publisher advisory for mediawiki/core, mediawiki/core. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.31.9 for mediawiki/core. Confirm the publisher’s latest guidance.","source_ids":["sr-f86af6a955f9ae574609f4d43d02cd35"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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This report has not examined your application.","related_sources":[{"id":"sr-f86af6a955f9ae574609f4d43d02cd35","url":"https://github.com/advisories/GHSA-c4rj-wrmq-52rj","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-c4rj-wrmq-52rj","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.694Z"},{"id":"sr-2d1c9a91459e9ee336000415d4e0866f","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25813","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2020-25813","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T19:10:18.230Z"},{"id":"sr-02eaf24a959940b495666d855853894d","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2020-25813","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:14:50.774Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f86af6a955f9ae574609f4d43d02cd35"],"technology":"mediawiki/core","known_exclusions":[],"conditions_summary":"In MediaWiki before 1.31.9 and 1.32.x through 1.34.x before 1.34.3, Special:UserRights exposes the existence of hidden users.","public_affected_ranges":["ECOSYSTEM: introduced 1.31.0; fixed 1.31.9"]},{"certainty":"source_listed","source_ids":["sr-f86af6a955f9ae574609f4d43d02cd35"],"technology":"mediawiki/core","known_exclusions":[],"conditions_summary":"In MediaWiki before 1.31.9 and 1.32.x through 1.34.x before 1.34.3, Special:UserRights exposes the existence of hidden users.","public_affected_ranges":["ECOSYSTEM: introduced 1.32.0; fixed 1.34.3"]}],"null_published_at":"2026-11-03T17:49:14.992Z","source_updated_at":"2024-12-01T05:37:52.772Z","source_disclosed_at":"2022-05-24T17:29:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.694Z"},{"id":"NVI-00008158","kind":"vulnerability","title":"MediaWiki Special:UserRights exposes the existence of hidden users","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-c4rj-wrmq-52rj","CVE-2020-25813"],"plain_summary":"OSV carries this publisher advisory for mediawiki/core, mediawiki/core. 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This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-2d1c9a91459e9ee336000415d4e0866f"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T03:07:20.063Z","value":"5 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-2d1c9a91459e9ee336000415d4e0866f"},{"kind":"CVSS","as_of":"2026-06-17T03:07:20.063Z","value":"5.3 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-2d1c9a91459e9ee336000415d4e0866f"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-f86af6a955f9ae574609f4d43d02cd35","url":"https://github.com/advisories/GHSA-c4rj-wrmq-52rj","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-c4rj-wrmq-52rj","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.694Z"},{"id":"sr-2d1c9a91459e9ee336000415d4e0866f","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25813","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2020-25813","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T19:10:18.230Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f86af6a955f9ae574609f4d43d02cd35"],"technology":"mediawiki/core","known_exclusions":[],"conditions_summary":"In MediaWiki before 1.31.9 and 1.32.x through 1.34.x before 1.34.3, Special:UserRights exposes the existence of hidden users.","public_affected_ranges":["ECOSYSTEM: introduced 1.31.0; fixed 1.31.9"]},{"certainty":"source_listed","source_ids":["sr-f86af6a955f9ae574609f4d43d02cd35"],"technology":"mediawiki/core","known_exclusions":[],"conditions_summary":"In MediaWiki before 1.31.9 and 1.32.x through 1.34.x before 1.34.3, Special:UserRights exposes the existence of hidden users.","public_affected_ranges":["ECOSYSTEM: introduced 1.32.0; fixed 1.34.3"]}],"null_published_at":"2026-11-02T10:00:44.518Z","source_updated_at":"2024-12-01T05:37:52.772Z","source_disclosed_at":"2022-05-24T17:29:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.694Z"},{"id":"NVI-00008158","kind":"vulnerability","title":"MediaWiki Special:UserRights exposes the existence of hidden users","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-c4rj-wrmq-52rj","CVE-2020-25813"],"plain_summary":"OSV carries this publisher advisory for mediawiki/core, mediawiki/core. 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This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-f86af6a955f9ae574609f4d43d02cd35","url":"https://github.com/advisories/GHSA-c4rj-wrmq-52rj","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-c4rj-wrmq-52rj","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.694Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f86af6a955f9ae574609f4d43d02cd35"],"technology":"mediawiki/core","known_exclusions":[],"conditions_summary":"In MediaWiki before 1.31.9 and 1.32.x through 1.34.x before 1.34.3, Special:UserRights exposes the existence of hidden users.","public_affected_ranges":["ECOSYSTEM: introduced 1.31.0; fixed 1.31.9"]},{"certainty":"source_listed","source_ids":["sr-f86af6a955f9ae574609f4d43d02cd35"],"technology":"mediawiki/core","known_exclusions":[],"conditions_summary":"In MediaWiki before 1.31.9 and 1.32.x through 1.34.x before 1.34.3, Special:UserRights exposes the existence of hidden users.","public_affected_ranges":["ECOSYSTEM: introduced 1.32.0; fixed 1.34.3"]}],"null_published_at":"2026-10-31T22:13:22.832Z","source_updated_at":"2024-12-01T05:37:52.772Z","source_disclosed_at":"2022-05-24T17:29:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:10.694Z"}],"next_cursor":null,"snapshot_revision":"42594"}