{"id":"CVE-2015-9544","aliases":["EUVD-2021-2595","GHSA-vrc7-6g8w-jh56"],"status":"published","title":"Improper Input Validation in xdLocalStorage","description":"An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStoragePostMessageApi.js does not implement any validation of the origin of web messages. Remote attackers who can entice a user to load a malicious site can exploit this issue to impact the confidentiality and integrity of data in the local storage of the vulnerable site via malicious web messages.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01327,"percentile":0.71195,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-04-07T17:19:21Z","modified":"2026-06-17T00:36:44Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"xdLocalStorage","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0.5"}]}]},{"source":"osv","ecosystem":"npm","package":"xdlocalstorage","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"2.0.5"}]}]}],"products":[{"vendor":"cross_domain_local_storage_project","product":"cross_domain_local_storage"}],"references":[{"url":"https://grimhacker.com/exploiting-xdlocalstorage-localstorage-and-postmessage/#Missing-Origin-Magic-iframe","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/ofirdagan/cross-domain-local-storage/issues/17","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","web"]},{"url":"https://github.com/ofirdagan/cross-domain-local-storage/pull/19","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","web"]},{"url":"https://github.com/ofirdagan/cross-domain-local-storage","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-9544","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vrc7-6g8w-jh56"}],"sources":{"cve":[{"id":"CVE-2015-9544","description":"An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStoragePostMessageApi.js does not implement any validation of the origin of web messages. Remote attackers who can entice a user to load a malicious site can exploit this issue to impact the confidentiality and integrity of data in the local storage of the vulnerable site via malicious web messages.","status":"published","published":"2020-04-07T17:19:21Z","modified":"2024-08-06T08:51:05.314Z","updated_at":"2026-11-02T14:35:40.591596Z"}],"euvd":[{"id":"EUVD-2021-2595","description":"An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStoragePostMessageApi.js does not implement any validation of the origin of web messages. Remote attackers who can entice a user to load a malicious site can exploit this issue to impact the confidentiality and integrity of data in the local storage of the vulnerable site via malicious web messages.","status":"published","published":"2020-04-07T17:19:21Z","modified":"2024-08-06T08:51:05Z","updated_at":"2026-11-03T01:57:23.42372Z"}],"ghsa":[{"id":"GHSA-vrc7-6g8w-jh56","title":"Improper Input Validation in xdLocalStorage","description":"An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStoragePostMessageApi.js does not implement any validation of the origin of web messages. Remote attackers who can entice a user to load a malicious site can exploit this issue to impact the confidentiality and integrity of data in the local storage of the vulnerable site via malicious web messages.","status":"published","published":"2021-12-09T19:29:36Z","modified":"2023-02-01T05:05:46Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:36:35.781528Z"}],"nvd":[{"id":"CVE-2015-9544","description":"An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStoragePostMessageApi.js does not implement any validation of the origin of web messages. Remote attackers who can entice a user to load a malicious site can exploit this issue to impact the confidentiality and integrity of data in the local storage of the vulnerable site via malicious web messages.","status":"published","published":"2020-04-07T18:15:13.18Z","modified":"2026-06-17T00:36:44.61Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:19.73542Z"}],"osv":[{"id":"GHSA-vrc7-6g8w-jh56","title":"Improper Input Validation in xdLocalStorage","description":"An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStoragePostMessageApi.js does not implement any validation of the origin of web messages. Remote attackers who can entice a user to load a malicious site can exploit this issue to impact the confidentiality and integrity of data in the local storage of the vulnerable site via malicious web messages.","status":"published","published":"2021-12-09T19:29:36Z","modified":"2023-11-08T03:58:04.930375Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:57.694388Z"}]}}