{"id":"CVE-2022-4721","aliases":["GHSA-83pm-7v48-5jp4","PYSEC-2022-43007"],"url":"https://o3.security/vulnerability/CVE-2022-4721","summary":"Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in ikus060/rdiffweb","details":"In rdiffweb prior to 2.5.5, lack of sanitisation of characters in SSH key name could allow attacker to inject a hyperlink injection that could allow attacker to redirect victim to malicious websites.","published":"2022-12-23T00:00:00Z","modified":"2026-09-19T03:45:25.938975807Z","cvss":{"score":6.6,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"rdiffweb","fixedVersion":"2.5.5"}],"fix":{"url":"https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d","label":"ikus060/rdiffweb@6afaae5"},"references":[{"type":"WEB","url":"https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4721.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4721"},{"type":"FIX","url":"https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d"},{"type":"PACKAGE","url":"https://github.com/ikus060/rdiffweb"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-43007.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-19T03:45:25.938975807Z"}}