CVE-2026-30878
Medium
Description
baserCMS is a website development framework. Prior to version 5.2.3, a public mail submission API allows unauthenticated users to submit mail form entries even when the corresponding form is not accepting submissions. This bypasses administrative controls intended to stop form intake and enables spam or abuse via the API. This issue has been patched in version 5.2.3.
SeverityMedium
CVSS5.3
Exploit probability—
ProductBasercms
PublishedMar 31, 2026
First seenMar 31, 2026
Weakness typeCWE-285CWE-285
How to fix
Update
- basercms basercms5.2.3 or later
- baserproject/basercms5.2.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| basercms basercms | v < 5.2.3 | 5.2.3 |
| baserproject/basercmsPackagist | v < 5.2.3 | 5.2.3 |
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