{"cve":"CVE-2020-28847","nvd":{"published":"2022-04-05T16:15:10.857","modified":"2026-06-17T03:10:44.723","status":"Modified","description":"Cross Site Scripting (XSS) vulnerability in xCss Valine v1.4.14 via the nick parameter to /classes/Comment.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://github.com/xCss/Valine/issues/348","https://github.com/xCss/Valine/issues/348"],"products":["valine.js:valine"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2020-28847","score":0.00472,"percentile":0.40848,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6xvq-2gj8-4276","url":"https://osv.dev/vulnerability/GHSA-6xvq-2gj8-4276","summary":"Cross site scripting in valine","modified":"2023-11-08T04:03:29.399558Z","packages":[{"ecosystem":"npm","name":"valine","purl":"pkg:npm/valine","ranges":["<1.4.15"],"fixed":["1.4.15"]}]}],"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."]}