{"cve":"CVE-2023-27890","nvd":{"published":"2023-04-14T01:15:07.127","modified":"2026-06-17T05:46:02.257","status":"Modified","description":"The Export User plugin through 2.0 for MyBB allows XSS during the process of an admin generating DSGVO data for a user, via the Custom User Title, Location, or Bio field. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["http://packetstormsecurity.com/files/171421/MyBB-Export-User-2.0-Cross-Site-Scripting.html","https://community.mybb.com/mods.php?action=view&pid=1408","https://community.mybb.com/user-121250.html","http://packetstormsecurity.com/files/171421/MyBB-Export-User-2.0-Cross-Site-Scripting.html","https://community.mybb.com/mods.php?action=view&pid=1408"],"products":["export_user_project:export_user"],"source":"nvd","synced_at":"2026-10-19T21:38:05.473481323+00:00"},"epss":{"cve":"CVE-2023-27890","score":0.00637,"percentile":0.50561,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}