Contao 3.x before 3.5.32 allows XSS via the unsubscribe module in the frontend newsletter extension.
https://security.snyk.io/vuln/SNYK-PHP-CONTAOCORE-70397
https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core/CVE-2018-5478.yaml
Source: Mitre, NVD
Published: 2023-09-21
Updated: 2023-09-23
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/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
EPSS: 0.00076