CVE-2023-36473
CSP nonce reuse vulnerability in Discourse
6.1
MEDIUM
CVSS 3.1
EPSS 0.17%
Description
Discourse is an open source discussion platform. A CSP (Content Security Policy) nonce reuse vulnerability could allow XSS attacks to bypass CSP protection. There are no known XSS vectors at the moment, but should one be discovered, this vulnerability would allow the XSS attack to completely bypass CSP. The vulnerability is patched in the latest tests-passed, beta and stable branches.
How to fix CVE-2023-36473
To remediate CVE-2023-36473, upgrade the affected package to a fixed version below.
- —upgrade to 3.0.5 or later
Is CVE-2023-36473 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.0.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |