Cross-site scripting (XSS) vulnerability in the Markdown parser in Loomio before 1.8.0 allows remote attackers to inject arbitrary web script or HTML via non-sanitized Markdown content in a new thread or a thread comment.
https://github.com/loomio/loomio/releases/tag/1.8.0
https://github.com/loomio/loomio/commit/63973f71e337ead8ca7b7ae2a043b837032dc3fe
Source: Mitre, NVD
Published: 2017-07-24
Updated: 2026-06-17
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 5.4
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
EPSS: 0.00227