Medium severity · published Jan 5, 2023
CVE-2023-22453
Discourse is an option source discussion platform
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 3.0.0.beta16 on the `beta` and `tests-passed` branches, the number of times a user posted in an arbitrary topic is exposed to unauthorized users through the `/u/username.json` endpoint. The issue is patched in version 2.8.14 and 3.0.0.beta16. There is no known workaround.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
Discourse · Discourse
before 2.8.14; 1.1.0; 1.1.0; 1.1.0; 1.1.0; 1.1.0; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-22453
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-22453
Patch
https://github.com/discourse/discourse/commit/cbcf8a064b4889a19c991641e09c399bfa1ef2ad
Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-xx97-6494-p2rv
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