Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in activecampaign ActiveCampaign activecampaign-subscription-forms allows Stored XSS.This issue affects ActiveCampaign: from n/a through <= 8.1.16.
Severity
CVSS 3.1
5.9 medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
EPSS
0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)