GitHub Advisoryadvisory · npm
GHSA-wx69-rvg3-x7fc XSS via prototype pollution in NodeBB
CRITICAL
Official page ↗
- Aliases
- CVE-2021-43787
- Ecosystem
- npm
- Packages
- nodebb
- Severity
- Critical
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-79
- Reviewed
- 2021-11-30
Affected packages
• npm nodebb: >= 1.15.0, < 1.18.5 → fixed in 1.18.5
Description
Impact
A prototype pollution vulnerability in the uploader module allowed a malicious user to inject arbitrary data (i.e. javascript) into the DOM, theoretically allowing for an account takeover when used in conjunction with a path traversal vulnerability disclosed at the same time as this report.
Patches
The vulnerability has been patched as of v1.18.5.
Workarounds
Cherry-pick commit hash 1783f918bc19568f421473824461ff2ed7755e4c to receive this patch in lieu of a full upgrade.
For more information
If you have any questions or comments about this advisory:
• Email us at [email protected]
Related
Alias · CVE (1)
- CVE-2021-43787 Nodebb is an open source Node.js based forum software. vulnerability
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc web
- https://nvd.nist.gov/vuln/detail/CVE-2021-43787 advisory
- https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c web
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot web
- https://github.com/NodeBB/NodeBB package
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5 web