{"id":"CVE-2017-5858","aliases":["GHSA-w973-2qcc-p78x"],"url":"https://o3.security/vulnerability/CVE-2017-5858","summary":"User Impersonation in converse.js","details":"Versions of `converse.js` prior to 1.0.7 for 1.x or 2.0.5 for 2.x are vulnerable to User Impersonation. The package provides an incorrect implementation of [XEP-0280: Message Carbons](https://xmpp.org/extensions/xep-0280.html) that allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's display. This allows for various kinds of social engineering attacks.\n\n\n## Recommendation\n\nIf you're using `converse.js` 1.x, upgrade to 1.0.7 or later.\nIf you're using `converse.js` 2.x, upgrade to 2.0.5 or later.","published":"2017-02-09T20:59:00.577Z","modified":"2026-08-27T08:13:38.063385Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":3,"affectedPackages":[{"ecosystem":"npm","name":"converse.js","fixedVersion":"1.0.7"},{"ecosystem":"npm","name":"converse.js","fixedVersion":"2.0.5"}],"fix":{"url":"https://github.com/jcbrand/converse.js/commit/42f249cabbbf5c026398e6d3b350f6f9536ea572","label":"jcbrand/converse.js@42f249c"},"references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/96183"},{"type":"FIX","url":"https://github.com/jcbrand/converse.js/commit/42f249cabbbf5c026398e6d3b350f6f9536ea572"},{"type":"EVIDENCE","url":"http://openwall.com/lists/oss-security/2017/02/09/29"},{"type":"EVIDENCE","url":"https://rt-solutions.de/en/2017/02/CVE-2017-5589_xmpp_carbons/"},{"type":"EVIDENCE","url":"https://rt-solutions.de/wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-5858"},{"type":"PACKAGE","url":"https://github.com/jcbrand/converse.js"},{"type":"WEB","url":"https://rt-solutions.de/en/2017/02/CVE-2017-5589_xmpp_carbons"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-CONVERSEJS-449664"},{"type":"WEB","url":"https://www.npmjs.com/advisories/974"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2017/02/09/29"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:13:38.063385Z"}}