Similar to another advisory, certain additional PHP files crafted to look like images may be uploaded regardless of mime type validation rules. This affects front-end forms using the "Forms" feature, and asset upload fields in the control panel.
It has been patched in 3.4.14 and 4.34.0.
{
"nvd_published_at": "2023-11-14T22:15:31Z",
"github_reviewed_at": "2023-11-14T22:25:41Z",
"severity": "HIGH",
"cwe_ids": [
"CWE-434",
"CWE-94"
],
"github_reviewed": true
}