Fides is an open-source privacy engineering platform. From version 2.33.0 to before version 2.84.5, there is a DOM-based XSS vulnerability in fides.js via the fides_description override. This issue has been patched in version 2.84.5.
https://github.com/ethyca/fides/security/advisories/GHSA-5qrq-9645-g5g2
https://github.com/ethyca/fides/releases/tag/2.84.5
https://github.com/ethyca/fides/commit/67e43b10b1096c7f84d5c0eeba08ee3b7846b7cd
Published: 2026-06-08
Updated: 2026-06-09
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
Base Score: 7
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Severity: High
EPSS: 0.00045