A threat actor may inject malicious content where content is saved into a database, when users visit the malicious vulnerable website, the malicious content is loaded from the database and the browser executes that.

Example #1

1. Threat actor infects a vulnerable target with malicious code to a victim
2. The victim requests the vulnerable target and receives the malicious code
3. When malicious code gets executed, it calls back the threat actor

Impact

Vary

Risk

• Read & modify data

Redemption

• Output encoding
• Browser built-in XSS preveiton

ID

cb251c97-067d-4f13-8195-4f918273f41b

References

• wiki