CVE-2021-37626
MEDIUM6.7EPSS 0.49%PHP file inclusion via insert tags
Published: 8/23/2021Modified: 3/13/2026
Also known as:GHSA-r6mv-ppjc-4hgr
Description
### Impact It is possible for untrusted users to load arbitrary PHP files via insert tags. Installations are only affected if there are untrusted back end users. ### Patches Update to Contao 4.4.56, 4.9.18 or 4.11.7. ### Workarounds Disable the login for untrusted back end users. ### References https://contao.org/en/security-advisories/php-file-inclusion-via-insert-tags ### For more information If you have any questions or comments about this advisory, open an issue in [contao/contao](https://github.com/contao/contao/issues/new/choose).
Affected packages (2)
- Packagist/contao/contao>= 4.0.0, < 4.4.56
- Packagist/contao/core-bundle>= 4.0.0, < 4.4.56
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-37626
- PATCHhttps://github.com/contao/contao
- WEBhttps://contao.org/en/security-advisories/php-file-inclusion-via-insert-tags.html
- WEBhttps://github.com/contao/contao/security/advisories/GHSA-r6mv-ppjc-4hgr
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2021-37626.yaml
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2021-37626.yaml