CVE-2023-28112
Discourse's SSRF protection missing for some FastImage requests
8.1
HIGH
CVSS 3.1
EPSS 0.28%
Description
Discourse is an open-source discussion platform. Prior to version 3.1.0, some user provided URLs were being passed to FastImage without SSRF protection. Insufficient protections could enable attackers to trigger outbound network connections from the Discourse server to private IP addresses. This affects any site running the version 3.1.0 and prior. This issue is patched in version 3.1.0. There are no known workarounds.
How to fix CVE-2023-28112
To remediate CVE-2023-28112, upgrade the affected package to a fixed version below.
- —upgrade to 3.1.0 or later
Is CVE-2023-28112 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.1.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |