CVE-2026-115481
CVE-2026-115481 · baserCMS: BcCustomContent file fields can be configured to allow executable file extensions such as php, leading to arbitrary PHP file upload
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baserCMS is a website development framework. Starting in version 5.0.0-beta1 and prior to versions 5.3.2 and 5.4.2, `PermissionGroupsService::build()` reads a plugin's `config/permission.php` to decide what each user group may reach. When that file is absent it writes a wildcard allow rule instead: `url` `/baser/<prefix>/<plugin>/*`, `method` `*`, `auth` true, for every non-admin group. BcCustomContent has no such file in any release. After an administrator installs it, the default `operators` group can store and execute arbitrary PHP under the document root. Versions 5.3.2 and 5.4.2 patch the issue.
CVSS 8.5 · Hoch · EPSS 0,3%
- Veröffentlicht
- Aktualisiert
Betroffene Produkte und Versionen
basercms
- Softwareversionen
- >= 5.0.0-beta1, < 5.3.2: Betroffen
- >= 5.4.0, < 5.4.2: Betroffen
Keine Korrektur veröffentlicht
Originalquellen
- https://github.com/baserproject/basercms/security/advisories/GHSA-8jrp-4h7c-m679
- https://github.com/baserproject/basercms/commit/2ed19c878add5c26fc765572e0e77173c1f1fdb5
- https://github.com/baserproject/basercms/commit/b0ef31b10dc6267b48ebc9a80d34bc7c4c09c311
- https://github.com/baserproject/basercms/releases/tag/5.3.2
- https://github.com/baserproject/basercms/releases/tag/5.4.2
- https://nvd.nist.gov/vuln/detail/CVE-2026-115481