CVE-2023-36473
high-risk
Published 2023-07-13
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.
Do I need to act?
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0.16% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.8/10
Medium
NETWORK
/ HIGH complexity
Affected Products (20)
Affected Vendors
References (2)
55
/ 100
high-risk
Severity
21/34 · High
Exploitability
1/34 · Minimal
Exposure
33/34 · Critical