CVE-2023-2850
Unintentional leakage of private information via cross-origin websocket session hijacking
4.7
MEDIUM
CVSS 3.1
EPSS 0.17%
Description
### Impact Private messages or posts might be leaked to third parties if victim opens the attackers site while browsing nodebb. ### Patches * Patched in v3.1.3 * Backported to v2.x line via v2.8.13 ### Workarounds Users can cherry-pick https://github.com/NodeBB/NodeBB/commit/51096ad2345fb1d1380bec0a447113489ef6c359 if they are on v3.x If you are running v2.x of NodeBB, you can cherry-pick a5d92da9ddac5607ab7f737520a66eaed6d3ddee followed by 62e162cf1e735e42462be1db9b4954b5a69accdf
How to fix CVE-2023-2850
To remediate CVE-2023-2850, upgrade the affected package to a fixed version below.
- —upgrade to 3.1.3 or later
Is CVE-2023-2850 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 3.0.0, < 3.1.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N |