{"cve":"CVE-2023-49276","nvd":{"published":"2023-12-01T22:15:10.563","modified":"2026-06-17T06:35:44.673","status":"Modified","description":"Uptime Kuma is an open source self-hosted monitoring tool. In affected versions the Google Analytics element in vulnerable to Attribute Injection leading to Cross-Site-Scripting (XSS). Since the custom status interface can set an independent Google Analytics ID and the template has not been sanitized, there is an attribute injection vulnerability here, which can lead to XSS attacks. This vulnerability has been addressed in commit `f28dccf4e` which is included in release version 1.23.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.","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/louislam/uptime-kuma/commit/f28dccf4e11f041564293e4f407e69ab9ee2277f","https://github.com/louislam/uptime-kuma/security/advisories/GHSA-v4v2-8h88-65qj","https://github.com/louislam/uptime-kuma/commit/f28dccf4e11f041564293e4f407e69ab9ee2277f","https://github.com/louislam/uptime-kuma/security/advisories/GHSA-v4v2-8h88-65qj"],"products":["uptime.kuma:uptime_kuma"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2023-49276","score":0.00497,"percentile":0.42645,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v4v2-8h88-65qj","url":"https://osv.dev/vulnerability/GHSA-v4v2-8h88-65qj","summary":"Attribute Injection leading to XSS(Cross-Site-Scripting)","modified":"2026-09-10T03:49:59.076705353Z","packages":[{"ecosystem":"npm","name":"uptime-kuma","purl":"pkg:npm/uptime-kuma","ranges":[">=1.20.0 <1.23.7"],"fixed":["1.23.7"]}]}],"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."]}