{"id":"CVE-2023-40000","aliases":["EUVD-2023-44623","GHSA-fvp6-8p9w-vffq"],"status":"published","title":"WordPress LiteSpeed Cache plugin \u003c= 5.7 - Unauthenticated Site Wide Stored XSS vulnerability","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through 5.7.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.54872,"percentile":0.99038,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2024-04-16T17:46:37Z","modified":"2026-06-17T06:15:40Z","exploits":[{"source":"nuclei","id":"CVE-2023-40000","title":"LiteSpeed Cache \u003c= 5.7 - Unauthenticated Stored XSS","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-40000.yaml"},{"source":"pocgithub","id":"iveresk/cve-2023-40000","title":"iveresk/cve-2023-40000","date":"2024-05-13","url":"https://github.com/iveresk/cve-2023-40000"},{"source":"pocgithub","id":"quantiom/litespeed-cache-xss-poc","title":"quantiom/litespeed-cache-xss-poc","date":"2024-05-12","url":"https://github.com/quantiom/litespeed-cache-xss-poc"},{"source":"pocgithub","id":"rxerium/CVE-2023-40000","title":"rxerium/CVE-2023-40000","date":"2024-02-28","url":"https://github.com/rxerium/CVE-2023-40000"}],"products":[{"vendor":"litespeed technologies","product":"litespeed cache"},{"vendor":"litespeed_technologies","product":"litespeed_cache"},{"vendor":"litespeedtech","product":"litespeed cache"},{"vendor":"litespeedtech","product":"litespeed_cache"}],"references":[{"url":"https://patchstack.com/database/vulnerability/litespeed-cache/wordpress-litespeed-cache-plugin-5-7-unauthenticated-site-wide-stored-xss-vulnerability?_s_id=cve","tags":["vdb-entry","x_transferred","Third Party Advisory"]},{"url":"https://github.com/rxerium/CVE-2023-40000","tags":["exploit","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40000"},{"url":"https://github.com/advisories/GHSA-fvp6-8p9w-vffq"}],"sources":{"cve":[{"id":"CVE-2023-40000","title":"WordPress LiteSpeed Cache plugin \u003c= 5.7 - Unauthenticated Site Wide Stored XSS vulnerability","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through 5.7.","status":"published","published":"2024-04-16T17:46:37.455Z","modified":"2026-04-28T16:08:35.239Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-44623","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through 5.7.","status":"published","published":"2024-04-16T17:46:37Z","modified":"2026-04-28T16:08:35Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T19:24:06.820124Z"}],"ghsa":[{"id":"GHSA-fvp6-8p9w-vffq","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through 5.7.","status":"published","published":"2024-04-16T18:31:36Z","modified":"2025-06-10T03:31:30Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:02:38.912983Z"}],"nvd":[{"id":"CVE-2023-40000","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through 5.7.","status":"published","published":"2024-04-16T18:15:10.6Z","modified":"2026-06-17T06:15:40.777Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:09:11.362739Z"}]}}