Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, when the hidden prioritize_full_name_in_ux site setting is enabled (defaults to false, requires console access to change), user and group display names are rendered without HTML escaping in several assignment-related UI paths. This allows users with assign permission to inject arbitrary HTML/JavaScript that executes in the browser of any user viewing an affected topic. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-79"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32607.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "2026.1.0-latest"
},
{
"fixed": "2026.1.3"
},
{
"introduced": "2026.2.0-latest"
},
{
"fixed": "2026.2.2"
},
{
"introduced": "2026.3.0-latest"
},
{
"fixed": "2026.3.0"
}
],
"source": "AFFECTED_FIELD"
},
{
"extracted_events": [
{
"fixed": "2026.1.3"
},
{
"fixed": "2026.2.2"
},
{
"fixed": "2026.3.0"
}
],
"source": "DESCRIPTION"
}
]
}