Information disclosure in Discourse
CVE-2023-22453
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Discourse — versions 2.4.0, 2.9.0, 2.8.0
Weakness classification (CWE)
References
- github.com/discourse/discourse/security/advisories/GHSA-xx97-6494-p2rv (Third Party Advisory)
- github.com/discourse/discourse/commit/cbcf8a064b4889a19c991641e09c399bfa1ef2ad (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-22453?
- CVE-2023-22453 is a medium-severity vulnerability in Discourse, classified under Information Disclosure. CVSS score: 5.3/10. Published 2023-01-05.
- How severe is CVE-2023-22453?
- Medium severity. CVSS v3 base score is 5.3 out of 10.