CVE-2021-43787
Critical
Description
Nodebb is an open source Node.js based forum software. In affected versions 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. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.
SeverityCritical
CVSS9.0
Exploit probability—
Product
Nodebb
PublishedNov 29, 2021
First seenNov 29, 2021
How to fix
Update
- nodebb1.18.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nodebb nodebb | 1.15.5 ≤ v ≤ 1.18.4 | — |
| nodebbnpm | 1.15.0 ≤ v < 1.18.5 | 1.18.5 |
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