GitHub Advisory DatabaseGHSA-F7WM-X4GW-6M23Contao Insert tag injection in forms
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
0.001 Low
EPSS
Percentile
38.7%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| contao/core-bundle | lt | 4.10.1 | |
| contao/contao | lt | 4.10.1 | |
| contao/contao | lt | 4.9.6 | |
| contao/contao | lt | 4.4.52 | |
| contao/core-bundle | lt | 4.9.6 | |
| contao/core-bundle | lt | 4.4.52 |
References
community.contao.org/en/forumdisplay.php?4-Announcements
contao.org/en/security-advisories/insert-tag-injection-in-forms.html
github.com/advisories/GHSA-f7wm-x4gw-6m23
github.com/contao/contao/security/advisories/GHSA-f7wm-x4gw-6m23
github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2020-25768.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2020-25768.yaml
nvd.nist.gov/vuln/detail/CVE-2020-25768
Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
0.001 Low
EPSS
Percentile
38.7%