GHSA-f7wm-x4gw-6m23
Contao Insert tag injection in forms
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | contao/core-bundle | >= 4.0.0, < 4.4.52 | 4.4.52 |
| Packagist | contao/core-bundle | >= 4.5.0, < 4.9.6 | 4.9.6 |
| Packagist | contao/contao | >= 4.0.0, < 4.4.52 | 4.4.52 |
| Packagist | contao/contao | >= 4.5.0, < 4.9.6 | 4.9.6 |
| Packagist | contao/contao | >= 4.10.0, < 4.10.1 | 4.10.1 |
| Packagist | contao/core-bundle | >= 4.10.0, < 4.10.1 | 4.10.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
It is possible to inject insert tags in front end forms which will be replaced when the page is rendered.
### Patches
Update to Contao 4.4.52, 4.9.6 or 4.10.1.
### Workarounds
Disable the front end login form and do not use form fields with array keys such as `fieldname[]`.
### References
https://contao.org/en/security-advisories/insert-tag-injection-in-forms
### 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).
References
External links from the advisory. They lead to third-party sites.
- https://github.com/contao/contao/security/advisories/GHSA-f7wm-x4gw-6m23
- https://nvd.nist.gov/vuln/detail/CVE-2020-25768
- https://community.contao.org/en/forumdisplay.php?4-Announcements
- https://contao.org/en/security-advisories/insert-tag-injection-in-forms.html
- https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2020-25768.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2020-25768.yaml
- https://github.com/contao/contao