{"affected":[{"affectedData":[{"modules":["Mention Handler"],"product":"Chat Application","vendor":"eXo","versions":[{"status":"affected","version":"n/a"}]}],"source":"cna@vuldb.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:exoplatform:chat_application:*:*:*:*:*:*:*:*","matchCriteriaId":"6230238C-46D4-43A0-AA2C-B78259EA4090","versionEndExcluding":"3.3.0-202204117","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability classified as problematic has been found in eXo Chat Application. Affected is an unknown function of the file application/src/main/webapp/vue-app/components/ExoChatMessageComposer.vue of the component Mention Handler. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 3.3.0-20220417 is able to address this issue. The name of the patch is 26bf307d3658d1403cfd5c3ad423ce4c4d1cb2dc. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-220212."}],"id":"CVE-2022-4902","lastModified":"2026-06-17T05:22:15.153","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"NONE","baseScore":4.0,"confidentialityImpact":"NONE","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:N","version":"2.0"},"exploitabilityScore":8.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"cna@vuldb.com","type":"Secondary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"exploitabilityScore":2.1,"impactScore":1.4,"source":"cna@vuldb.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":2.7,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2023-02-06T19:15:10.090","references":[{"source":"cna@vuldb.com","tags":["Permissions Required","Vendor Advisory"],"url":"https://community.exoplatform.com/portal/dw/tasks/taskDetail/56304"},{"source":"cna@vuldb.com","tags":["Patch","Third Party Advisory"],"url":"https://github.com/exoplatform/chat-application/commit/26bf307d3658d1403cfd5c3ad423ce4c4d1cb2dc"},{"source":"cna@vuldb.com","tags":["Patch","Third Party Advisory"],"url":"https://github.com/exoplatform/chat-application/pull/485"},{"source":"cna@vuldb.com","tags":["Third Party Advisory"],"url":"https://github.com/exoplatform/chat-application/releases/tag/3.3.0-20220417"},{"source":"cna@vuldb.com","tags":["Permissions Required","Third Party Advisory"],"url":"https://vuldb.com/?ctiid.220212"},{"source":"cna@vuldb.com","tags":["Permissions Required","Third Party Advisory"],"url":"https://vuldb.com/?id.220212"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required","Vendor Advisory"],"url":"https://community.exoplatform.com/portal/dw/tasks/taskDetail/56304"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"],"url":"https://github.com/exoplatform/chat-application/commit/26bf307d3658d1403cfd5c3ad423ce4c4d1cb2dc"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"],"url":"https://github.com/exoplatform/chat-application/pull/485"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://github.com/exoplatform/chat-application/releases/tag/3.3.0-20220417"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required","Third Party Advisory"],"url":"https://vuldb.com/?ctiid.220212"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required","Third Party Advisory"],"url":"https://vuldb.com/?id.220212"}],"sourceIdentifier":"cna@vuldb.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-79"}],"source":"cna@vuldb.com","type":"Secondary"}]}