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GHSA-747v-52c4-8vj8
No affected components available
Impact
It is possible to inject insert tags via the form generator if the submitted form data is output on the page in a specific way.
Patches
Update to Contao 4.13.40 or 5.3.4.
Workarounds
Do not output the submitted form data on the website.
References
https://contao.org/en/security-advisories/insert-tag-injection-via-the-form-generator
For more information
If you have any questions or comments about this advisory, open an issue in contao/contao.
The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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