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Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVE-2024-28234

Medium
4.3/10

Summary

Contao is an open-source content management system. In Contao, it is possible to inject CSS styles via "BBCode" in "comments". Installations are only affected if "BBCode" is enabled. As a workaround, disable "BBCode" for "comments". This issue affects contao/contao package versions through 4.13.39 and 5.0.0-RC1 through 5.3.3, contao/core package versions 2.8.RC1 through 3.5.40, and contao/comments-bundle package versions through 4.13.39 and 5.0.0-RC1 through 5.3.3.

  • LOW
  • NETWORK
  • LOW
  • UNCHANGED
  • REQUIRED
  • NONE
  • NONE
  • NONE

CWE-74 - Injection

Listed as the number one web application security risk on the 'OWASP Top Ten', injection attacks are widespread and dangerous, especially in legacy applications. Injection attacks are a class of vulnerabilities in which an attacker injects untrusted data into a web application that gets processed by an interpreter, altering the program's execution. This can result in data loss/theft, loss of data integrity, denial of service, and even compromising the entire system.

References

Advisory Timeline

  • Published