{"id":"CVE-2025-65858","aliases":["EUVD-2025-200242","GHSA-pc5g-j9j7-p4q3","PYSEC-2026-1234"],"status":"published","title":"Calibre-Web Has a Stored Cross-Site Scripting (XSS) Vulnerability via the 'username' Field During User Creation","description":"A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.","severity":{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00221,"percentile":0.12728,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2025-12-02T00:00:00Z","modified":"2026-11-04T23:10:00Z","exploits":[{"source":"pocgithub","id":"KhanhDuy155/calibre-web-CVE-2025-65858","title":"KhanhDuy155/calibre-web-CVE-2025-65858","date":"2025-11-14","url":"https://github.com/KhanhDuy155/calibre-web-CVE-2025-65858"}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"calibreweb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.6.25"}]}]},{"source":"osv","ecosystem":"PyPI","package":"calibreweb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.6.25"}]}],"versions":["0.6.12","0.6.13","0.6.14","0.6.15","0.6.16","0.6.17","0.6.18","0.6.19","0.6.20","0.6.21","0.6.22","0.6.23","0.6.24","0.6.25"]},{"source":"osv","ecosystem":"PyPI","package":"calibreweb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.6.25"}]}],"versions":["0.6.12","0.6.13","0.6.14","0.6.15","0.6.16","0.6.17","0.6.18","0.6.19","0.6.20","0.6.21","0.6.22","0.6.23","0.6.24","0.6.25"]}],"products":[{"vendor":"janeczku","product":"calibre-web"}],"references":[{"url":"https://github.com/KhanhDuy155/calibre-web-CVE-2025-65858/blob/main/CVE-2025-65858.md","tags":["Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-65858","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-pc5g-j9j7-p4q3","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65858.json","tags":["advisory"]},{"url":"https://github.com/janeczku/calibre-web","tags":["package"]},{"url":"https://pypi.org/project/calibreweb","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-65858","description":"A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.","status":"published","published":"2025-12-02T00:00:00Z","modified":"2025-12-02T15:12:48.645Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:26.64278Z"}],"euvd":[{"id":"EUVD-2025-200242","description":"A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.","status":"published","published":"2025-12-02T00:00:00Z","modified":"2025-12-02T15:12:48Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T19:49:11.096002Z"}],"ghsa":[{"id":"GHSA-pc5g-j9j7-p4q3","title":"Calibre-Web Has a Stored Cross-Site Scripting (XSS) Vulnerability via the 'username' Field During User Creation","description":"A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.","status":"published","published":"2025-12-02T15:30:32Z","modified":"2025-12-02T17:37:10Z","cvss":[{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:39:11.110487Z"}],"nvd":[{"id":"CVE-2025-65858","description":"A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.","status":"published","published":"2025-12-02T14:16:25.233Z","modified":"2026-11-04T23:10:00.223Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-05T01:45:08.806554Z"}],"osv":[{"id":"CVE-2025-65858","description":"A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.","status":"published","published":"2025-12-02T00:00:00Z","modified":"2026-11-05T21:15:33.475342299Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-05T22:01:21.792402Z"},{"id":"GHSA-pc5g-j9j7-p4q3","title":"Calibre-Web Has a Stored Cross-Site Scripting (XSS) Vulnerability via the 'username' Field During User Creation","description":"A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.","status":"published","published":"2025-12-02T15:30:32Z","modified":"2026-07-07T17:56:18.981988962Z","cvss":[{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:52.891208Z"},{"id":"PYSEC-2026-1234","title":"Calibre-Web Has a Stored Cross-Site Scripting (XSS) Vulnerability via the 'username' Field During User Creation","description":"A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed.","status":"published","published":"2026-07-07T16:03:11.806566Z","modified":"2026-07-07T17:47:24.624473475Z","cvss":[{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P","level":"low"}],"updated_at":"2026-11-02T15:52:54.622769Z"}]}}