{"cve":"CVE-2021-33040","nvd":{"published":"2022-01-17T17:15:07.537","modified":"2026-06-17T03:54:03.603","status":"Modified","description":"managers/views/iframe.js in FuturePress EPub.js before 0.3.89 allows XSS.","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/futurepress/epub.js/blob/5c7f21d648d9d20d44c6c365d164b16871847023/src/managers/views/iframe.js#L373","https://github.com/futurepress/epub.js/commit/ab4dd46408cce0324e1c67de4a3ba96b59e5012e","https://github.com/futurepress/epub.js/compare/v0.3.88...v0.3.89","https://github.com/futurepress/epub.js/blob/5c7f21d648d9d20d44c6c365d164b16871847023/src/managers/views/iframe.js#L373","https://github.com/futurepress/epub.js/commit/ab4dd46408cce0324e1c67de4a3ba96b59e5012e"],"products":["futurepress:epub.js"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2021-33040","score":0.00937,"percentile":0.6085,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-c6rp-xvqv-mwmf","url":"https://osv.dev/vulnerability/GHSA-c6rp-xvqv-mwmf","summary":"Cross-site Scripting in epubjs","modified":"2023-11-08T04:06:03.210708Z","packages":[{"ecosystem":"npm","name":"epubjs","purl":"pkg:npm/epubjs","ranges":["<0.3.89"],"fixed":["0.3.89"]}]}],"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."]}