{"api_version":"1","generated_at":"2026-04-26T02:49:32+00:00","cve":"CVE-2022-23656","urls":{"html":"https://cve.report/CVE-2022-23656","api":"https://cve.report/api/cve/CVE-2022-23656.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-23656","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-23656"},"summary":{"title":"CVE-2022-23656","description":"Zulip is an open source team chat app. The `main` development branch of Zulip Server from June 2021 and later is vulnerable to a cross-site scripting vulnerability on the recent topics page. An attacker could maliciously craft a full name for their account and send messages to a topic with several participants; a victim who then opens an overflow tooltip including this full name on the recent topics page could trigger execution of JavaScript code controlled by the attacker. 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An attacker could maliciously craft a full name for their account and send messages to a topic with several participants; a victim who then opens an overflow tooltip including this full name on the recent topics page could trigger execution of JavaScript code controlled by the attacker. Users running a Zulip server from the main branch should upgrade from main (2022-03-01 or later) again to deploy this fix."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.6,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]},"references":{"reference_data":[{"name":"https://github.com/zulip/zulip/security/advisories/GHSA-fc77-h3jc-6mfv","refsource":"CONFIRM","url":"https://github.com/zulip/zulip/security/advisories/GHSA-fc77-h3jc-6mfv"},{"name":"https://github.com/zulip/zulip/commit/e090027adcbf62737d5b1f83a9618a9500a49321","refsource":"MISC","url":"https://github.com/zulip/zulip/commit/e090027adcbf62737d5b1f83a9618a9500a49321"}]},"source":{"advisory":"GHSA-fc77-h3jc-6mfv","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2022-03-02 21:15:00","lastModifiedDate":"2022-03-09 21:10:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.3,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":3.5},"severity":"LOW","exploitabilityScore":6.8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*","versionStartIncluding":"2021-06-03","versionEndExcluding":"2022-03-01","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"23656","Ordinal":"226515","Title":"CVE-2022-23656","CVE":"CVE-2022-23656","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"23656","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}