{"id":"CVE-2021-44667","aliases":["EUVD-2022-1307","GHSA-4gr7-qw2q-jxh6"],"status":"published","title":"Cross-site Scripting in Nacos","description":"A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00831,"percentile":0.57831,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-79"],"published":"2022-03-11T18:39:02Z","modified":"2026-10-20T10:55:06Z","exploits":[{"source":"pocgithub","id":"shoucheng3/alibaba__nacos_CVE-2021-44667_2-0-3","title":"shoucheng3/alibaba__nacos_CVE-2021-44667_2-0-3","date":"2025-08-16","url":"https://github.com/shoucheng3/alibaba__nacos_CVE-2021-44667_2-0-3"}],"fixes":[{"ecosystem":"Maven","package":"com.alibaba.nacos:nacos-common","fixed_in":["2.1.0-BETA","1.4.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.alibaba.nacos:nacos-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0-ALPHA.1"},{"fixed":"2.1.0-BETA"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"com.alibaba.nacos:nacos-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.alibaba.nacos:nacos-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0-ALPHA.1"},{"fixed":"2.1.0-BETA"}]}],"versions":["2.0.0","2.0.0-ALPHA.1","2.0.0-ALPHA.2","2.0.0-BETA","2.0.1","2.0.2","2.0.3","2.0.4"]},{"source":"osv","ecosystem":"Maven","package":"com.alibaba.nacos:nacos-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5"}]}],"versions":["0.1.0","0.2.0","0.2.1","0.2.1-RC1","0.3.0","0.3.0-RC1","0.4.0","0.5.0","0.6.0","0.6.1","0.6.2","0.8.0","0.8.1","0.8.2","0.9.0","0.9.1","1.0.0","1.0.0-RC1","1.0.0-RC2","1.0.0-RC3","1.0.0-RC4","1.0.1","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.2.0","1.2.0-beta.0","1.2.0-beta.1","1.2.1","1.3.0","1.3.1","1.3.1-BETA","1.3.1-BETA.1","1.3.2","1.3.3","1.4.0","1.4.0-BETA","1.4.1","1.4.2","1.4.3","1.4.4"]}],"products":[{"vendor":"alibaba","product":"nacos"}],"references":[{"url":"https://github.com/alibaba/nacos/issues/7359","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44667","tags":["advisory"]},{"url":"https://github.com/alibaba/nacos/commit/cd6d7e33b94f24814701f3faf8b632e5e85444c5","tags":["web"]},{"url":"https://github.com/alibaba/nacos/pull/7364","tags":["web"]},{"url":"https://github.com/alibaba/nacos/pull/8980","tags":["web"]},{"url":"https://github.com/alibaba/nacos/commit/d062fcafad0acd01673d404319526415a4af372b","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4gr7-qw2q-jxh6"},{"url":"https://github.com/alibaba/nacos","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-44667","description":"A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.","status":"published","published":"2022-03-11T18:39:02Z","modified":"2024-08-04T04:25:16.868Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2022-1307","description":"A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.","status":"published","published":"2022-03-11T18:39:02Z","modified":"2024-08-04T04:25:16Z","updated_at":"2026-11-03T03:08:28.560815Z"}],"ghsa":[{"id":"GHSA-4gr7-qw2q-jxh6","title":"Cross-site Scripting in Nacos","description":"A Cross Site Scripting (XSS) vulnerability exists in Nacos prior to 1.4.5 and 2.1.0-BETA in auth/users via the (1) pageSize and (2) pageNo parameters.","status":"published","published":"2022-03-12T00:00:27Z","modified":"2025-07-18T18:08:06Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:50.834587Z"}],"nvd":[{"id":"CVE-2021-44667","description":"A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.","status":"published","published":"2022-03-11T19:15:09.023Z","modified":"2026-06-17T04:12:39.81Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:05.198719Z"}],"osv":[{"id":"CVE-2021-44667","description":"A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.","status":"published","published":"2022-03-11T19:15:09.023Z","modified":"2026-10-20T10:55:06.455367439Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"GHSA-4gr7-qw2q-jxh6","title":"Cross-site Scripting in Nacos","description":"A Cross Site Scripting (XSS) vulnerability exists in Nacos prior to 1.4.5 and 2.1.0-BETA in auth/users via the (1) pageSize and (2) pageNo parameters.","status":"published","published":"2022-03-12T00:00:27Z","modified":"2025-07-18T19:09:23.105484Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:37.148947Z"}]}}
