Skip to main content

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

CVE-2018-10891

High
7.3/10

Summary

A flaw was found in moodle before 3.1.13, 3.2.x, 3.3.x before 3.3.7, 3.4.x before 3.4.4, 3.5.x before 3.5.1. When a quiz question bank is imported, it was possible for the question preview that is displayed to execute JavaScript that is written into the question bank.

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

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