Medium (5.4) in equalweb equalweb accessibility widget. EPSS 0.4% chance of exploitation in the next 30 days.
EqualWeb Accessibility Widget 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.1.10, 3.0.0, 3.0.1, 3.0.2, 4.0.0, and 4.0.1 allows DOM XSS due to improper validation of message events to accessibility.js.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-11-01)