Medium severity · published Nov 29, 2022
CVE-2022-46148
Discourse is an open-source messaging platform
5.4
CVSS
0.5%
EPSS
No
On KEV
Description
Discourse is an open-source messaging platform. In versions 2.8.10 and prior on the `stable` branch and versions 2.9.0.beta11 and prior on the `beta` and `tests-passed` branches, users composing malicious messages and navigating to drafts page could self-XSS. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
Discourse · Discourse
through 2.8.10; 2.9.0; 2.9.0; 2.9.0; 2.9.0; 2.9.0; +5 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-46148
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-46148
Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh
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