Stored DOM-based XSS (without CSP) via video placeholders in…(CVE-2025-22602)

概要

Stored DOM-based XSS (without CSP) via video placeholders in Discourse

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

Discourse is an open source platform for community discussion. In affected versions an attacker can execute arbitrary JavaScript on users' browsers by posting a malicious video placeholder html element. This issue only affects sites with CSP disabled. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. Users unable to upgrade should enable CSP.

出典: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

影響パッケージ

Bitnami discourse

[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.4.0"}]}]

参照URL

advisory github.com
web nvd.nist.gov