GHSA-7x4w-j98p-854x
Suggest an improvement- Source
- https://github.com/advisories/GHSA-7x4w-j98p-854x
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/11/GHSA-7x4w-j98p-854x/GHSA-7x4w-j98p-854x.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-7x4w-j98p-854x
- Aliases
- Published
- 2022-11-21T23:53:32Z
- Modified
- 2023-11-08T04:10:36.609534Z
- Severity
-
- 9.0 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H CVSS Calculator
- Summary
- Cross site scripting vulnerability with discussion titles
- Details
-
Flarum's page title system allowed for page titles to be converted into HTML DOM nodes when pages were rendered. The change was made after
v1.5and was not noticed.This allowed an attacker to inject malicious HTML markup using a discussion title input, either by creating a new discussion or renaming one. The XSS attack occurs after a visitor opens the relevant discussion page.
Impact
All communities running Flarum from
v1.5.0tov1.6.1are impacted.Patches
The vulnerability has been fixed and published as flarum/core
v1.6.2. All communities running Flarum fromv1.5.0tov1.6.1have to upgrade as soon as possible to v1.6.2 using:composer update --prefer-dist --no-dev -a -WYou can then confirm you run the latest version using:
composer show flarum/coreWorkarounds
None
For more information
For any questions or comments on this vulnerability please visit https://discuss.flarum.org/d/27558.
For support questions create a discussion at https://discuss.flarum.org/t/support.
A reminder that if you ever become aware of a security issue in Flarum, please report it to us privately by emailing security@flarum.org, and we will address it promptly.
- Database specific
{ "nvd_published_at": "2022-11-19T01:15:00Z", "github_reviewed_at": "2022-11-21T23:53:32Z", "severity": "CRITICAL", "github_reviewed": true, "cwe_ids": [ "CWE-79" ] }- References
Affected packages
Packagist / flarum/core
Package
- Name
- flarum/core
- Purl
- pkg:composer/flarum/core