{"id":"CVE-2018-6835","aliases":["EUVD-2022-4627","GHSA-mvmv-rq2j-97p2"],"status":"published","title":"Etherpad Lite Access Restriction Bypass","description":"node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02286,"percentile":0.83305,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2018-02-08T07:00:00Z","modified":"2026-10-20T10:50:32Z","fixes":[{"ecosystem":"npm","package":"ep_etherpad-lite","fixed_in":["1.6.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"ep_etherpad-lite","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.3"}]}]},{"source":"osv","ecosystem":"npm","package":"ep_etherpad-lite","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.6.3"}]}]}],"products":[{"vendor":"etherpad","product":"etherpad"}],"references":[{"url":"https://github.com/ether/etherpad-lite/releases/tag/1.6.3","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://github.com/ether/etherpad-lite/commit/626e58cc5af1db3691b41fca7b06c28ea43141b1","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6835","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mvmv-rq2j-97p2"},{"url":"https://github.com/ether/etherpad-lite","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-6835","description":"node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.","status":"published","published":"2018-02-08T07:00:00Z","modified":"2024-08-05T06:17:15.838Z","updated_at":"2026-11-02T14:35:05.961936Z"}],"euvd":[{"id":"EUVD-2022-4627","description":"node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.","status":"published","published":"2018-02-08T07:00:00Z","modified":"2024-08-05T06:17:15Z","updated_at":"2026-11-03T02:40:07.110514Z"}],"ghsa":[{"id":"GHSA-mvmv-rq2j-97p2","title":"Etherpad Lite Access Restriction Bypass","description":"`node/hooks/express/apicalls.js` in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.","status":"published","published":"2022-05-13T01:53:11Z","modified":"2023-10-06T15:19:36Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:37:08.278692Z"}],"nvd":[{"id":"CVE-2018-6835","description":"node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.","status":"published","published":"2018-02-08T07:29:01.147Z","modified":"2026-06-17T02:02:20.47Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:22.897995Z"}],"osv":[{"id":"CVE-2018-6835","description":"node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.","status":"published","published":"2018-02-08T07:29:01.147Z","modified":"2026-10-20T10:50:32.307102127Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:09.74357Z"},{"id":"GHSA-mvmv-rq2j-97p2","title":"Etherpad Lite Access Restriction Bypass","description":"`node/hooks/express/apicalls.js` in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.","status":"published","published":"2022-05-13T01:53:11Z","modified":"2023-11-08T04:00:21.878084Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:52.170928Z"}]}}
