{"id":"CVE-2025-13488","aliases":["EUVD-2025-201259","GHSA-mqj2-wwmp-9qj3"],"status":"published","title":"Nexus Repository 3 - Stored Cross-Site Scripting (XSS)","description":"Due to a regression introduced in version 3.83.0, a security header is no longer applied to certain user-uploaded content served from repositories. This may allow an authenticated attacker with repository upload privileges to exploit a stored cross-site scripting (XSS) vulnerability with user context.","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":"2026-11-09","score":0.00354,"percentile":0.29405,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-12-04T18:16:56Z","modified":"2026-10-18T16:10:00Z","products":[{"vendor":"sonatype","product":"nexus repository"}],"references":[{"url":"https://help.sonatype.com/en/sonatype-nexus-repository-3-87-0-release-notes.html","tags":["patch"]},{"url":"https://support.sonatype.com/hc/en-us/articles/46896142768019","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13488"},{"url":"https://github.com/advisories/GHSA-mqj2-wwmp-9qj3"}],"sources":{"cve":[{"id":"CVE-2025-13488","title":"Nexus Repository 3 - Stored Cross-Site Scripting (XSS)","description":"Due to a regression introduced in version 3.83.0, a security header is no longer applied to certain user-uploaded content served from repositories. This may allow an authenticated attacker with repository upload privileges to exploit a stored cross-site scripting (XSS) vulnerability with user context.","status":"published","published":"2025-12-04T18:16:56.582Z","modified":"2025-12-04T20:00:41.734Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:43.10004Z"}],"euvd":[{"id":"EUVD-2025-201259","description":"Due to a regression introduced in version 3.83.0, a security header is no longer applied to certain user-uploaded content served from repositories. This may allow an authenticated attacker with repository upload privileges to exploit a stored cross-site scripting (XSS) vulnerability with user context.","status":"published","published":"2025-12-04T18:16:56Z","modified":"2025-12-04T20:00:41Z","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":"2026-11-02T19:49:09.83206Z"}],"ghsa":[{"id":"GHSA-mqj2-wwmp-9qj3","title":"Due to a regression introduced in version 3.83.0, a security header is no longer applied to...","description":"Due to a regression introduced in version 3.83.0, a security header is no longer applied to certain user-uploaded content served from repositories. This may allow an authenticated attacker with repository upload privileges to exploit a stored cross-site scripting (XSS) vulnerability with user context.","status":"published","published":"2025-12-04T21:31:04Z","modified":"2025-12-04T21:31:12Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:03.172685Z"}],"nvd":[{"id":"CVE-2025-13488","description":"Due to a regression introduced in version 3.83.0, a security header is no longer applied to certain user-uploaded content served from repositories. This may allow an authenticated attacker with repository upload privileges to exploit a stored cross-site scripting (XSS) vulnerability with user context.","status":"published","published":"2025-12-04T19:16:01.937Z","modified":"2026-10-18T16:10:00.1Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:47.746175Z"}]}}