{"id":"CVE-2018-25249","aliases":["EUVD-2018-21751","GHSA-4mc8-7jpg-4r7r"],"status":"published","title":"MyBB My Arcade Plugin 1.3 Persistent XSS via Comment","description":"MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.00264,"percentile":0.18443,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-04T13:51:14Z","modified":"2026-07-21T07:10:00Z","products":[{"vendor":"mybb","product":"my_arcade"},{"vendor":"mybb","product":"mybb my arcade plugin"}],"references":[{"url":"https://www.exploit-db.com/exploits/44186","tags":["exploit","Exploit","VDB Entry"]},{"url":"https://community.mybb.com/mods.php?action=view\u0026pid=411","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/mybb-my-arcade-plugin-persistent-xss-via-comment","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-25249"},{"url":"https://github.com/advisories/GHSA-4mc8-7jpg-4r7r"}],"sources":{"cve":[{"id":"CVE-2018-25249","title":"MyBB My Arcade Plugin 1.3 Persistent XSS via Comment","description":"MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment.","status":"published","published":"2026-04-04T13:51:14.111Z","modified":"2026-05-24T01:36:15.385Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:01.952568Z"}],"euvd":[{"id":"EUVD-2018-21751","description":"MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment.","status":"published","published":"2026-04-04T13:51:14Z","modified":"2026-05-24T01:36:15Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:21:08.686342Z"}],"ghsa":[{"id":"GHSA-4mc8-7jpg-4r7r","title":"MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows...","description":"MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment.","status":"published","published":"2026-04-04T15:30:20Z","modified":"2026-04-04T15:30:27Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:09.038762Z"}],"nvd":[{"id":"CVE-2018-25249","description":"MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment.","status":"published","published":"2026-04-04T14:16:20.86Z","modified":"2026-07-21T07:10:00.117Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:05:01.494136Z"}]}}