{"id":"BIT-mybb-2021-27889","details":"Cross-site Scripting (XSS) vulnerability in MyBB before 1.8.26 via Nested Auto URL when parsing messages.","modified":"2026-03-13T04:57:14.025256766Z","published":"2024-03-06T10:59:48.583Z","withdrawn":"2026-03-13T04:51:12.620573Z","database_specific":{"cpes":["cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-Execution.html"},{"type":"WEB","url":"https://blog.sonarsource.com/mybb-remote-code-execution-chain"},{"type":"WEB","url":"https://github.com/mybb/mybb/security/advisories/GHSA-xhj7-3349-mqcm"}],"affected":[{"package":{"name":"mybb","ecosystem":"Bitnami","purl":"pkg:bitnami/mybb"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.8.26"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mybb/BIT-mybb-2021-27889.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}],"schema_version":"1.7.3"}