{"cve":"CVE-2021-44543","nvd":{"published":"2021-12-23T20:15:12.097","modified":"2026-06-17T04:12:32.723","status":"Modified","description":"An XSS vulnerability was found in Privoxy which was fixed in cgi_error_no_template() by encode the template name when Privoxy is configured to servce the user-manual itself.","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://www.privoxy.org/3.0.33/user-manual/whatsnew.html%2C","https://www.privoxy.org/gitweb/?p=privoxy.git%3Ba=commit%3Bh=0e668e9409c","https://www.privoxy.org/3.0.33/user-manual/whatsnew.html%2C","https://www.privoxy.org/gitweb/?p=privoxy.git%3Ba=commit%3Bh=0e668e9409c"],"products":["privoxy:privoxy"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-44543","score":0.00796,"percentile":0.5646,"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."]}