PortSwigger Burp Suite before 1.7.34 has Improper Certificate Validation of the Collaborator server certificate, which might allow man-in-the-middle attackers to obtain interaction data.
Severity
CVSS 3.0
5.9 medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)