{"id":"CVE-2020-4061","aliases":["EUVD-2020-0531","GHSA-3pc2-fm7p-q2vg"],"status":"published","title":"Cross-site Scripting in OctoberPotential self-XSS when pasting content from malicious websites","description":"In October from version 1.0.319 and before version 1.0.467, pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack. This has been fixed in 1.0.467.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00821,"percentile":0.57549,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2020-07-02T16:55:11Z","modified":"2026-10-20T10:53:28Z","fixes":[{"ecosystem":"Packagist","package":"october/backend","fixed_in":["1.0.467"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"october/backend","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.319"},{"fixed":"1.0.467"}]}]},{"source":"osv","ecosystem":"Packagist","package":"october/backend","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.319"},{"fixed":"1.0.467"}]}],"versions":["v1.0.319","v1.0.320","v1.0.321","v1.0.322","v1.0.323","v1.0.324","v1.0.325","v1.0.326","v1.0.327","v1.0.328","v1.0.329","v1.0.330","v1.0.331","v1.0.332","v1.0.333","v1.0.334","v1.0.335","v1.0.336","v1.0.337","v1.0.338","v1.0.339","v1.0.340","v1.0.341","v1.0.342","v1.0.343","v1.0.344","v1.0.345","v1.0.346","v1.0.347","v1.0.348","v1.0.349","v1.0.350","v1.0.351","v1.0.352","v1.0.353","v1.0.354","v1.0.355","v1.0.356","v1.0.357","v1.0.358","v1.0.359","v1.0.360","v1.0.361","v1.0.362","v1.0.363","v1.0.364","v1.0.365","v1.0.366","v1.0.367","v1.0.368","v1.0.369","v1.0.370","v1.0.371","v1.0.372","v1.0.373","v1.0.374","v1.0.375","v1.0.376","v1.0.377","v1.0.378","v1.0.379","v1.0.380","v1.0.381","v1.0.382","v1.0.383","v1.0.384","v1.0.385","v1.0.386","v1.0.387","v1.0.388","v1.0.389","v1.0.390","v1.0.391","v1.0.392","v1.0.393","v1.0.394","v1.0.395","v1.0.396","v1.0.397","v1.0.398","v1.0.399","v1.0.400","v1.0.401","v1.0.402","v1.0.403","v1.0.404","v1.0.405","v1.0.406","v1.0.407","v1.0.408","v1.0.409","v1.0.410","v1.0.411","v1.0.412","v1.0.413","v1.0.414","v1.0.415","v1.0.416","v1.0.417","v1.0.418","v1.0.419","v1.0.420","v1.0.421","v1.0.422","v1.0.423","v1.0.424","v1.0.425","v1.0.426","v1.0.427","v1.0.428","v1.0.429","v1.0.430","v1.0.431","v1.0.432","v1.0.433","v1.0.434","v1.0.435","v1.0.436","v1.0.437","v1.0.438","v1.0.439","v1.0.440","v1.0.441","v1.0.442","v1.0.443","v1.0.444","v1.0.445","v1.0.446","v1.0.447","v1.0.448","v1.0.449","v1.0.450","v1.0.451","v1.0.452","v1.0.453","v1.0.454","v1.0.455","v1.0.456","v1.0.457","v1.0.458","v1.0.459","v1.0.460","v1.0.461","v1.0.462","v1.0.463","v1.0.464","v1.0.465","v1.0.466"]}],"products":[{"vendor":"october cms","product":"october"},{"vendor":"octobercms","product":"october"}],"references":[{"url":"https://github.com/octobercms/october/security/advisories/GHSA-3pc2-fm7p-q2vg","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/octobercms/october/commit/b384954a29b89117e1c0d6035b3ede4f46df67c5","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://research.securitum.com/the-curious-case-of-copy-paste/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4061","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3pc2-fm7p-q2vg"},{"url":"https://research.securitum.com/the-curious-case-of-copy-paste","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-4061","title":"Cross-site Scripting in OctoberPotential self-XSS when pasting content from malicious websites","description":"In October from version 1.0.319 and before version 1.0.467, pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack. This has been fixed in 1.0.467.","status":"published","published":"2020-07-02T16:55:15Z","modified":"2024-08-04T07:52:20.851Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-0531","description":"In October from version 1.0.319 and before version 1.0.467, pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack. This has been fixed in 1.0.467.","status":"published","published":"2020-07-02T16:55:15Z","modified":"2024-08-04T07:52:20Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-03T03:08:08.458165Z"}],"ghsa":[{"id":"GHSA-3pc2-fm7p-q2vg","title":"Cross-site Scripting in October","description":"### Impact\nPasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack.\n\n### Patches\nIssue has been patched in Build 467 (v1.0.467).\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/b384954a29b89117e1c0d6035b3ede4f46df67c5 to your installation manually if unable to upgrade to Build 467.\n\n### References\n- https://research.securitum.com/the-curious-case-of-copy-paste/\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [hello@octobercms.com](mailto:hello@octobercms.com)\n\n### Threat Assessment\nAssessed as Low given that by the nature of the attack it can only impact users that do it to themselves by copying and pasting from malicious websites.\n\n### Acknowledgements\n\nThanks to [Michał Bentkowski of Securitum](https://research.securitum.com/authors/michal-bentkowski/) for finding the original issue in Froala and @tomaszstrojny for reporting the issue to the October CMS team.","status":"published","published":"2020-07-02T16:55:11Z","modified":"2023-01-09T05:03:26Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:36:05.071174Z"}],"nvd":[{"id":"CVE-2020-4061","description":"In October from version 1.0.319 and before version 1.0.467, pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack. This has been fixed in 1.0.467.","status":"published","published":"2020-07-02T17:15:12.67Z","modified":"2026-06-17T03:19:30.427Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:08.145904Z"}],"osv":[{"id":"CVE-2020-4061","description":"In October from version 1.0.319 and before version 1.0.467, pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack. This has been fixed in 1.0.467.","status":"published","published":"2020-07-02T17:15:12.67Z","modified":"2026-10-20T10:53:28.279216242Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:16.936975Z"},{"id":"GHSA-3pc2-fm7p-q2vg","title":"Cross-site Scripting in October","description":"### Impact\nPasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack.\n\n### Patches\nIssue has been patched in Build 467 (v1.0.467).\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/b384954a29b89117e1c0d6035b3ede4f46df67c5 to your installation manually if unable to upgrade to Build 467.\n\n### References\n- https://research.securitum.com/the-curious-case-of-copy-paste/\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [hello@octobercms.com](mailto:hello@octobercms.com)\n\n### Threat Assessment\nAssessed as Low given that by the nature of the attack it can only impact users that do it to themselves by copying and pasting from malicious websites.\n\n### Acknowledgements\n\nThanks to [Michał Bentkowski of Securitum](https://research.securitum.com/authors/michal-bentkowski/) for finding the original issue in Froala and @tomaszstrojny for reporting the issue to the October CMS team.","status":"published","published":"2020-07-02T16:55:11Z","modified":"2026-07-08T05:59:58.21017048Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:36.092962Z"}]}}