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.
{
"cwe_ids": [
"CWE-200"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22453.json"
}