{"id":"CVE-2023-6142","aliases":["EUVD-2023-58396","GHSA-fh8c-9pw4-5fjj"],"status":"published","title":"Dev Blog v1.0 - Stored XSS","description":"Dev blog v1.0 allows to exploit an XSS through an unrestricted file upload, together with a bad entropy of filenames. With this an attacker can upload a malicious HTML file, then guess the filename of the uploaded file and send it to a potential victim.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00425,"percentile":0.37069,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-11-20T23:24:48Z","modified":"2026-06-17T06:50:08Z","products":[{"vendor":"armanidrisi","product":"dev_blog"},{"vendor":"dev blog","product":"dev blog"}],"references":[{"url":"https://fluidattacks.com/advisories/bunny/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/Armanidrisi/devblog/","tags":["x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6142"},{"url":"https://fluidattacks.com/advisories/bunny"},{"url":"https://github.com/Armanidrisi/devblog"},{"url":"https://github.com/advisories/GHSA-fh8c-9pw4-5fjj"}],"sources":{"cve":[{"id":"CVE-2023-6142","title":"Dev Blog v1.0 - Stored XSS","description":"Dev blog v1.0 allows to exploit an XSS through an unrestricted file upload, together with a bad entropy of filenames. With this an attacker can upload a malicious HTML file, then guess the filename of the uploaded file and send it to a potential victim.","status":"published","published":"2023-11-20T23:24:48.652Z","modified":"2025-05-19T13:54:39.84Z","cvss":[{"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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:25.095989Z"}],"euvd":[{"id":"EUVD-2023-58396","description":"Dev blog v1.0 allows to exploit an XSS through an unrestricted file upload, together with a bad entropy of filenames. With this an attacker can upload a malicious HTML file, then guess the filename of the uploaded file and send it to a potential victim.","status":"published","published":"2023-11-20T23:24:48Z","modified":"2025-05-19T13:54:39Z","cvss":[{"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"}],"updated_at":"2026-11-02T20:32:44.705403Z"}],"ghsa":[{"id":"GHSA-fh8c-9pw4-5fjj","title":"Dev blog v1.0 allows to exploit an XSS through an unrestricted file upload, together with a bad...","description":"Dev blog v1.0 allows to exploit an XSS through an unrestricted file upload, together with a bad entropy of filenames. With this an attacker can upload a malicious HTML file, then guess the filename of the uploaded file and send it to a potential victim.","status":"published","published":"2023-11-21T00:30:27Z","modified":"2025-05-19T15:30:30Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:02:20.924524Z"}],"nvd":[{"id":"CVE-2023-6142","description":"Dev blog v1.0 allows to exploit an XSS through an unrestricted file upload, together with a bad entropy of filenames. With this an attacker can upload a malicious HTML file, then guess the filename of the uploaded file and send it to a potential victim.","status":"published","published":"2023-11-21T00:15:07.16Z","modified":"2026-06-17T06:50:08.33Z","cvss":[{"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":"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":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:47.966245Z"}]}}