CVE-2023-36473

CSP nonce reuse vulnerability in Discourse

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.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.19%
Vendor Advisory github.com
Affected: discourse discourse
Published at:
Updated at:

References

Link Tags
https://github.com/discourse/discourse/security/advisories/GHSA-9f52-624j-8ppq vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-36473?
CVE-2023-36473 has been scored as a medium severity vulnerability.
How to fix CVE-2023-36473?
To fix CVE-2023-36473, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-36473 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-36473 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-36473?
CVE-2023-36473 affects discourse discourse.
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