phpList before 3.5.4 allows XSS via /lists/admin/user.php and /lists/admin/users.php.
https://www.wizlynxgroup.com/security-research-advisories/vuln/WLX-2020-004
https://www.phplist.org/newslist/phplist-3-5-4-release-notes/
Source: Mitre, NVD
Published: 2020-06-04
Updated: 2026-06-17
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00328