{"id":"CVE-2023-53891","aliases":["EUVD-2025-203419","GHSA-f5gv-p76p-jp44"],"status":"published","title":"Blackcat CMS 1.4 Stored Cross-Site Scripting via Page Modification","description":"Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00245,"percentile":0.15736,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-12-15T20:28:24Z","modified":"2026-10-28T02:30:55Z","products":[{"vendor":"blackcat-cms","product":"blackcat cms"},{"vendor":"blackcat-cms","product":"blackcat_cms"}],"references":[{"url":"https://www.exploit-db.com/exploits/51604","tags":["exploit","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://blackcat-cms.org/","tags":["product","Product","web"]},{"url":"https://www.vulncheck.com/advisories/blackcat-cms-stored-cross-site-scripting-via-page-modification","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53891","tags":["advisory"]},{"url":"https://blackcat-cms.org"},{"url":"https://github.com/advisories/GHSA-f5gv-p76p-jp44"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53891.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-53891","title":"Blackcat CMS 1.4 Stored Cross-Site Scripting via Page Modification","description":"Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page.","status":"published","published":"2025-12-15T20:28:24.133Z","modified":"2026-04-07T14:07:15.751Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:31.264455Z"}],"euvd":[{"id":"EUVD-2025-203419","description":"Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page.","status":"published","published":"2025-12-15T20:28:24Z","modified":"2026-04-07T14:07:15Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:25:13.335741Z"}],"ghsa":[{"id":"GHSA-f5gv-p76p-jp44","title":"Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated...","description":"Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. 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Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page.","status":"published","published":"2025-12-15T21:15:52.39Z","modified":"2026-06-17T06:46:16.197Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/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":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:09:26.50087Z"}],"osv":[{"id":"CVE-2023-53891","title":"Blackcat CMS 1.4 Stored Cross-Site Scripting via Page Modification","description":"Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page.","status":"published","published":"2025-12-15T20:28:24.133Z","modified":"2026-10-28T02:30:55.571451427Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:36.491684Z"}]}}