{"id":"BIT-discourse-2026-27154","summary":"Discourse has XSS when editing a malicious post","details":"Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, a user full name can be evaluated as raw HTML when the following settings are set: `display_name_on_posts` =\u003e true; and `prioritize_username_in_ux` =\u003e false. Editing a post of a malicious user would trigger an XSS. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.","aliases":["CVE-2026-27154","GHSA-xv43-5gcp-wgw8"],"modified":"2026-03-03T14:26:17.236378Z","published":"2026-03-03T13:29:25.328Z","database_specific":{"severity":"Low","cpes":["cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*"]},"references":[{"type":"WEB","url":"https://github.com/discourse/discourse/security/advisories/GHSA-xv43-5gcp-wgw8"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27154"}],"affected":[{"package":{"name":"discourse","ecosystem":"Bitnami","purl":"pkg:bitnami/discourse"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2025.12.2"},{"introduced":"2026.1.0"},{"fixed":"2026.1.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2026-27154.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.7.3"}