{"cve":"CVE-2021-44667","nvd":{"published":"2022-03-11T19:15:09.023","modified":"2026-06-17T04:12:39.810","status":"Modified","description":"A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/alibaba/nacos/issues/7359","https://github.com/alibaba/nacos/issues/7359"],"products":["alibaba:nacos"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2021-44667","score":0.00831,"percentile":0.57592,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4gr7-qw2q-jxh6","url":"https://osv.dev/vulnerability/GHSA-4gr7-qw2q-jxh6","summary":"Cross-site Scripting in Nacos","modified":"2025-07-18T19:09:23.105484Z","packages":[{"ecosystem":"Maven","name":"com.alibaba.nacos:nacos-common","purl":"pkg:maven/com.alibaba.nacos/nacos-common","ranges":[">=2.0.0-ALPHA.1 <2.1.0-BETA"],"fixed":["2.1.0-BETA"]},{"ecosystem":"Maven","name":"com.alibaba.nacos:nacos-common","purl":"pkg:maven/com.alibaba.nacos/nacos-common","ranges":["<1.4.5"],"fixed":["1.4.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}