GitHub Advisory DatabaseGHSA-M8X6-6R63-QVJ2Cross site scripting via canonical tag in Contao
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
7.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
0.003 Low
EPSS
Percentile
71.6%
Impact
Untrusted users can inject malicious code into the canonical tag, which is then executed on the web page (front end).
Patches
Update to Contao 4.13.3.
Workarounds
Disable canonical tags in the root page settings.
References
https://contao.org/en/security-advisories/cross-site-scripting-via-canonical-url
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/contao | lt | 4.13.3 | |
| contao/core-bundle | lt | 4.13.3 |
References
contao.org/en/security-advisories/cross-site-scripting-via-canonical-url.html
github.com/advisories/GHSA-m8x6-6r63-qvj2
github.com/contao/contao/commit/199206849a87ddd0fa5cf674eb3c58292fd8366c
github.com/contao/contao/security/advisories/GHSA-m8x6-6r63-qvj2
github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2022-24899.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2022-24899.yaml
nvd.nist.gov/vuln/detail/CVE-2022-24899
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
7.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
0.003 Low
EPSS
Percentile
71.6%