{"id":"CVE-2023-45889","aliases":["EUVD-2023-50152","GHSA-pgcw-8wrq-74f3"],"status":"published","title":"A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10...","description":"A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10.8 allows remote attackers to inject JavaScript into any webpage. NOTE: this issue exists because of an incomplete fix for CVE-2022-48612.","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":0.00446,"percentile":0.39019,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-01-23T00:00:00Z","modified":"2026-06-17T06:29:43Z","products":[{"vendor":"classlink","product":"oneclick"}],"references":[{"url":"https://blog.zerdle.net/classlink/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://blog.zerdle.net/classlink2/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45889"},{"url":"https://blog.zerdle.net/classlink"},{"url":"https://blog.zerdle.net/classlink2"},{"url":"https://github.com/advisories/GHSA-pgcw-8wrq-74f3"}],"sources":{"cve":[{"id":"CVE-2023-45889","description":"A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10.8 allows remote attackers to inject JavaScript into any webpage. NOTE: this issue exists because of an incomplete fix for CVE-2022-48612.","status":"published","published":"2024-01-23T00:00:00Z","modified":"2025-05-30T14:21:11.123Z","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":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:22.640346Z"}],"euvd":[{"id":"EUVD-2023-50152","description":"A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10.8 allows remote attackers to inject JavaScript into any webpage. NOTE: this issue exists because of an incomplete fix for CVE-2022-48612.","status":"published","published":"2024-01-23T00:00:00Z","modified":"2025-05-30T14:21:11Z","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":"2026-11-02T20:32:34.547192Z"}],"ghsa":[{"id":"GHSA-pgcw-8wrq-74f3","title":"A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10...","description":"A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10.8 allows remote attackers to inject JavaScript into any webpage. NOTE: this issue exists because of an incomplete fix for CVE-2022-48612.","status":"published","published":"2024-01-23T18:31:11Z","modified":"2025-05-30T15:30:24Z","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":"2026-11-02T15:02:30.830782Z"}],"nvd":[{"id":"CVE-2023-45889","description":"A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10.8 allows remote attackers to inject JavaScript into any webpage. NOTE: this issue exists because of an incomplete fix for CVE-2022-48612.","status":"published","published":"2024-01-23T18:15:18.053Z","modified":"2026-06-17T06:29:43.95Z","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":"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":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:09:01.900189Z"}]}}