BIT-discourse-2021-37633

    Dashboard / Vulnerabilities / BIT-discourse-2021-37633

    BIT-discourse-2021-37633

    Published: 6 Mar 2024Last Modified: 10 Sept 2026

    Summary: XSS via d-popover and d-html-popover attribute

    Details: Discourse is an open source discussion platform. In versions prior to 2.7.8 rendering of d-popover tooltips can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse's default Content Security Policy. This issue is patched in the latest `stable` 2.7.8 version of Discourse. As a workaround users may ensure that the Content Security Policy is enabled, and has not been modified in a way which would make it more vulnerable to XSS attacks.

    References: https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47, https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9, https://nvd.nist.gov/vuln/detail/CVE-2021-37633

    Affected packages

    Package

    Name: discourse

    Purl: pkg:bitnami/discourse

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -2.7.8

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    BIT-discourse-2021-37633 | CVE-DB