{"id":"CVE-2023-6621","details":"The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.","modified":"2026-04-10T05:07:39.819470Z","published":"2024-01-03T09:15:11.440Z","references":[{"type":"EVIDENCE","url":"https://wpscan.com/vulnerability/b49ca336-5bc2-4d72-a9a5-b8c020057928"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wpexpertsio/post-smtp","events":[{"introduced":"0"},{"fixed":"437956ad80f774c66350ad620f75262cd50ebc34"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.8.7"}]}}],"versions":["2.0.1","2.0.10","2.0.11","2.0.12","2.0.13","2.0.14","2.0.15","2.0.16","2.0.17","2.0.18","2.0.19","2.0.2","2.0.20","2.0.21","2.0.22","2.0.23","2.0.24","2.0.25","2.0.25-beta.1","2.0.26","2.0.27","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","2.0.9","2.1","2.1-beta.1","2.1.1","2.1.1.1","2.1.2","2.1.2-beta-1","2.1.2-rc.1","2.1.2-rc.2","2.1.4","2.1.4-beta.1","2.1.4-rc.1","2.1.4-rc.2","2.1.6","2.1.7","2.1.8","2.2","2.2-beta.2","2.2.1","2.3","2.3.1","2.4","2.4-beta.1","2.4.1","2.4.2","2.4.2-beta.2","2.4.3","2.5-beta.1","2.5-rc.1","2.5-rc.2","2.5-rc.3","2.5.0","2.5.1","2.5.2","2.5.3","2.5.4","2.5.5","2.5.6","2.5.7","2.5.8","2.5.9-beta.1","2.5.9.3","2.5.9.4","2.6.0","2.7.0","2.7.2","2.8.3","2.8.4","2.8.5","v.1.9.0","v.1.9.1","v.1.9.2","v1.9.3","v1.9.4","v1.9.5","v1.9.6","v1.9.7","v1.9.8"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6621.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}