{"cve":"CVE-2020-22453","nvd":{"published":"2020-09-24T14:15:13.400","modified":"2026-06-17T03:04:15.870","status":"Modified","description":"Untis WebUntis before 2020.9.6 allows XSS in multiple functions that store information.","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://help.untis.at/hc/en-150/articles/360008456699","https://robin.meis.space/2020/03/11/notenmanipulation-in-elektronischen-klassenbuchern/","https://help.untis.at/hc/en-150/articles/360008456699","https://robin.meis.space/2020/03/11/notenmanipulation-in-elektronischen-klassenbuchern/"],"products":["untis:webuntis"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2020-22453","score":0.00655,"percentile":0.51383,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}