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An attacker can set an XSS payload file as this vm file in the URL which results in this payload being executed. XSS vulnerabilities allow attackers to execute arbitrary JavaScript in the context of the attacked website and the attacked user. This can be abused to steal session cookies, perform requests in the name of the victim or for phishing attacks.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13959.json","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13959.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2020-13959","reference_id":"","reference_type":"","scores":[{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87156","published_at":"2026-05-14T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87124","published_at":"2026-05-12T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87109","published_at":"2026-05-11T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87114","published_at":"2026-05-09T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87097","published_at":"2026-05-07T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87081","published_at":"2026-05-05T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87062","published_at":"2026-04-29T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.8706","published_at":"2026-04-26T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87054","published_at":"2026-04-24T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87035","published_at":"2026-04-21T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87038","published_at":"2026-04-18T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87034","published_at":"2026-04-16T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87018","published_at":"2026-04-13T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87024","published_at":"2026-04-12T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87029","published_at":"2026-04-11T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87016","published_at":"2026-04-09T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.87008","published_at":"2026-04-08T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.86966","published_at":"2026-04-01T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.86988","published_at":"2026-04-07T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.86995","published_at":"2026-04-04T12:55:00Z"},{"value":"0.03207","scoring_system":"epss","scoring_elements":"0.86976","published_at":"2026-04-02T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2020-13959"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13959","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13959"},{"reference_url":"https://lists.apache.org/thread.html/r6802a38c3041059e763a1aadd7b37fe95de75408144b5805e29b84e3@%3Cuser.velocity.apache.org%3E","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.apache.org/thread.html/r6802a38c3041059e763a1aadd7b37fe95de75408144b5805e29b84e3@%3Cuser.velocity.apache.org%3E"},{"reference_url":"https://lists.apache.org/thread.html/r6802a38c3041059e763a1aadd7b37fe95de75408144b5805e29b84e3%40%3Cuser.velocity.apache.org%3E","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.apache.org/thread.html/r6802a38c3041059e763a1aadd7b37fe95de75408144b5805e29b84e3%40%3Cuser.velocity.apache.org%3E"},{"reference_url":"https://lists.apache.org/thread.html/r97edad0655770342d2d36620fb1de50b142fcd6c4f5c53dd72ca41d7@%3Cuser.velocity.apache.org%3E","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.apache.org/thread.html/r97edad0655770342d2d36620fb1de50b142fcd6c4f5c53dd72ca41d7@%3Cuser.velocity.apache.org%3E"},{"reference_url":"https://lists.apache.org/thread.html/rb042f3b0090e419cc9f5a3d32cf0baff283ccd6fcb1caea61915d6b6@%3Ccommits.velocity.apache.org%3E","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_e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