The alerts tab shows alerts generated by Burp's tools. This information may be useful to troubleshoot network connection or other problems.
If the same alert is generated more than once in succession, the alerts are consolidated into a single entry in the table, with a counter showing the number of times the alert was generated.
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This release adds a new scan check for external service interaction and out-of-band resource load via injected XML doctype tags.
Burp Scanner now modifies XML in requests to inject a doctype tag that references a Burp Collaborator URL, and reports an appropriate issue based on any observed interactions (DNS or HTTP) that reach the Burp Collaborator server.