{"items":[{"id":"NVI-00003852","kind":"vulnerability","title":"MediaWiki Cross-site Scripting (XSS) vulnerability","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-4vr7-m8p8-434h","CVE-2020-25814"],"plain_summary":"OSV carries this publisher advisory for mediawiki/core, 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-4d5de74752bc01fd2fd3f57b112501be"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.34.3 for mediawiki/core. Confirm the publisher’s latest guidance.","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.35.0 for mediawiki/core. Confirm the publisher’s latest guidance.","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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-371e834e8d44adb4135acdc89b1bdfaf"],"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":"2026-06-17T03:07:20.177Z","value":"4.3 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-1ea1c3683167e6565a347d6d4cc99884"},{"kind":"CVSS","as_of":"2026-06-17T03:07:20.177Z","value":"6.1 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-1ea1c3683167e6565a347d6d4cc99884"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"1.350%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.7151. Missing scores are unknown.","source_id":"sr-371e834e8d44adb4135acdc89b1bdfaf"}],"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-4d5de74752bc01fd2fd3f57b112501be","url":"https://github.com/advisories/GHSA-4vr7-m8p8-434h","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4vr7-m8p8-434h","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"},{"id":"sr-1ea1c3683167e6565a347d6d4cc99884","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25814","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2020-25814","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T22:07:13.751Z"},{"id":"sr-371e834e8d44adb4135acdc89b1bdfaf","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-2020-25814","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"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, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQuery object does not contain an  tag (or it does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a href =\"javascript... that executes when clicked.","public_affected_ranges":["ECOSYSTEM: introduced 1.31.0; fixed 1.31.9"]},{"certainty":"source_listed","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"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, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQuery object does not contain an  tag (or it does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a href =\"javascript... that executes when clicked.","public_affected_ranges":["ECOSYSTEM: introduced 1.32.0; fixed 1.34.3"]},{"certainty":"source_listed","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"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, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQuery object does not contain an  tag (or it does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a href =\"javascript... that executes when clicked.","public_affected_ranges":["ECOSYSTEM: introduced 1.35.0-rc.0; fixed 1.35.0"]}],"null_published_at":"2026-10-31T22:27:15.290Z","source_updated_at":"2024-05-19T02:24:07.692Z","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":"2026-10-31T21:41:49.673Z"},{"id":"NVI-00003852","kind":"vulnerability","title":"MediaWiki Cross-site Scripting (XSS) vulnerability","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4vr7-m8p8-434h","CVE-2020-25814"],"plain_summary":"OSV carries this publisher advisory for mediawiki/core, 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-4d5de74752bc01fd2fd3f57b112501be"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.34.3 for mediawiki/core. Confirm the publisher’s latest guidance.","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.35.0 for mediawiki/core. Confirm the publisher’s latest guidance.","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"action_type":"vendor_patch","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":[],"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-4d5de74752bc01fd2fd3f57b112501be","url":"https://github.com/advisories/GHSA-4vr7-m8p8-434h","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4vr7-m8p8-434h","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"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, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQuery object does not contain an  tag (or it does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a href =\"javascript... that executes when clicked.","public_affected_ranges":["ECOSYSTEM: introduced 1.31.0; fixed 1.31.9"]},{"certainty":"source_listed","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"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, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQuery object does not contain an  tag (or it does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a href =\"javascript... that executes when clicked.","public_affected_ranges":["ECOSYSTEM: introduced 1.32.0; fixed 1.34.3"]},{"certainty":"source_listed","source_ids":["sr-4d5de74752bc01fd2fd3f57b112501be"],"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, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQuery object does not contain an  tag (or it does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a href =\"javascript... that executes when clicked.","public_affected_ranges":["ECOSYSTEM: introduced 1.35.0-rc.0; fixed 1.35.0"]}],"null_published_at":"2026-10-31T22:12:52.600Z","source_updated_at":"2024-05-19T02:24:07.692Z","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":"2026-10-31T21:41:49.673Z"}],"next_cursor":null,"snapshot_revision":"42594"}