{"id":"CVE-2022-24762","aliases":["EUVD-2022-1317","GHSA-4vvg-x86p-mvqc"],"status":"published","title":"Exposure of Sensitive Information to an Unauthorized Actor in sysend.js","description":"sysend.js is a library that allows a user to send messages between pages that are open in the same browser. Users that use cross-origin communication may have their communications intercepted. Impact is limited by the communication occurring in the same browser. This issue has been patched in sysend.js version 1.10.0. The only currently known workaround is to avoid sending communications that a user does not want to have intercepted via sysend messages.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00684,"percentile":0.52832,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-346"],"published":"2022-03-14T22:43:23Z","modified":"2026-10-28T02:30:50Z","fixes":[{"ecosystem":"npm","package":"sysend","fixed_in":["1.10.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"sysend","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.0"}]}]},{"source":"osv","ecosystem":"npm","package":"sysend","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.10.0"}]}]}],"products":[{"vendor":"jcubic","product":"sysend"},{"vendor":"jcubic","product":"sysend.js"},{"vendor":"sysend.js_project","product":"sysend.js"}],"references":[{"url":"https://github.com/jcubic/sysend.js/security/advisories/GHSA-4vvg-x86p-mvqc","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/jcubic/sysend.js/issues/33","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://github.com/jcubic/sysend.js/commit/a24f4b776fb18191ae0f7e3d90c2c7bec459431a","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/jcubic/sysend.js/releases/tag/1.10.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24762","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4vvg-x86p-mvqc"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24762.json","tags":["advisory"]},{"url":"https://github.com/jcubic/sysend.js","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2022-24762","title":"Exposure of Sensitive Information to an Unauthorized Actor in sysend.js","description":"sysend.js is a library that allows a user to send messages between pages that are open in the same browser. Users that use cross-origin communication may have their communications intercepted. Impact is limited by the communication occurring in the same browser. This issue has been patched in sysend.js version 1.10.0. The only currently known workaround is to avoid sending communications that a user does not want to have intercepted via sysend messages.","status":"published","published":"2022-03-14T22:50:10Z","modified":"2024-09-18T14:58:43.275Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:34:34.940806Z"}],"euvd":[{"id":"EUVD-2022-1317","description":"sysend.js is a library that allows a user to send messages between pages that are open in the same browser. Users that use cross-origin communication may have their communications intercepted. Impact is limited by the communication occurring in the same browser. This issue has been patched in sysend.js version 1.10.0. The only currently known workaround is to avoid sending communications that a user does not want to have intercepted via sysend messages.","status":"published","published":"2022-03-14T22:50:10Z","modified":"2024-09-18T14:58:43Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:21.470786Z"}],"ghsa":[{"id":"GHSA-4vvg-x86p-mvqc","title":"Leaking of user information on Cross-Domain communication in sysend","description":"### Impact\nUsers that use Cross-Origin communication and send sensitive information make it possible for this data to be intercepted.\nThis is not a big impact because it happens only on the same browser.\n\n### Patches\nIt has been patched in version 1.10.0\n\n### Workarounds\nThe only workaround is to not send sensitive information with sysend messages.\n\n","status":"published","published":"2022-03-14T22:43:23Z","modified":"2023-07-03T21:35:19Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-346"],"updated_at":"2026-11-02T14:36:55.91458Z"}],"nvd":[{"id":"CVE-2022-24762","description":"sysend.js is a library that allows a user to send messages between pages that are open in the same browser. Users that use cross-origin communication may have their communications intercepted. Impact is limited by the communication occurring in the same browser. This issue has been patched in sysend.js version 1.10.0. The only currently known workaround is to avoid sending communications that a user does not want to have intercepted via sysend messages.","status":"published","published":"2022-03-14T23:15:08.427Z","modified":"2026-06-17T04:32:27.71Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200","CWE-346"],"updated_at":"2026-11-02T14:07:13.7085Z"}],"osv":[{"id":"CVE-2022-24762","title":"Exposure of Sensitive Information to an Unauthorized Actor in sysend.js","description":"sysend.js is a library that allows a user to send messages between pages that are open in the same browser. Users that use cross-origin communication may have their communications intercepted. Impact is limited by the communication occurring in the same browser. This issue has been patched in sysend.js version 1.10.0. The only currently known workaround is to avoid sending communications that a user does not want to have intercepted via sysend messages.","status":"published","published":"2022-03-14T22:50:10Z","modified":"2026-10-28T02:30:50.907853529Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:44:24.428403Z"},{"id":"GHSA-4vvg-x86p-mvqc","title":"Leaking of user information on Cross-Domain communication in sysend","description":"### Impact\nUsers that use Cross-Origin communication and send sensitive information make it possible for this data to be intercepted.\nThis is not a big impact because it happens only on the same browser.\n\n### Patches\nIt has been patched in version 1.10.0\n\n### Workarounds\nThe only workaround is to not send sensitive information with sysend messages.\n\n","status":"published","published":"2022-03-14T22:43:23Z","modified":"2023-11-08T04:08:35.613992Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-346"],"updated_at":"2026-11-02T15:46:37.528068Z"}]}}