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


Severity High
Score 9.8/10


A Server-Side Template Injection (SSTI) was discovered in prior to 1.91.2-rc.2, 2.0.x prior to 2.0.1-rc3, 2.1.x prior to 2.1.0-rc.4. This leads to Remote Code Execution during deletion of the default Email template URL.

  • LOW
  • HIGH
  • NONE
  • NONE
  • HIGH
  • HIGH

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.


Advisory Timeline

  • Published