{"cve_id":"CVE-2020-12256","published":"2020-05-18T15:15:10.943000+00:00","last_modified":"2026-06-17T02:51:31.267000+00:00","vuln_status":"Modified","description":"rConfig 3.9.4 is vulnerable to reflected XSS. The devicemgmnt.php file improperly validates user input. An attacker can exploit this by crafting arbitrary JavaScript in the deviceId GET parameter to devicemgmnt.php.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","base_score":5.4,"base_severity":"MEDIUM","attack_vector":"NETWORK","privileges_req":"LOW","user_interaction":"REQUIRED","scope":"CHANGED","impact_c":"LOW","impact_i":"LOW","impact_a":"NONE","cwe_ids":["CWE-79"],"in_kev":false,"kev_date_added":null,"kev_ransomware":false,"epss_score":0.95937,"epss_percentile":0.99874,"cap_rule_version":"0.1.1","stage":"CRED_ACCESS","req_access":"USER","req_vector":"NETWORK","req_user_interaction":true,"grant_access":"USER","caps":["CRED_ACCESS","INFO_DISCLOSURE","TAMPER"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:19:46.693145+00:00","first_seen":"2020-05-18T15:15:10.943000+00:00","kev_first_seen":null,"novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["rconfig"],"products":["rconfig"],"affected":[{"vendor":"rconfig","product":"rconfig","ranges":["3.9.4"]}]}