The Tribulant Newsletters plugin before 4.6.19 for WordPress allows XSS via the wp-admin/admin-ajax.php?action=newsletters_load_new_editor contentarea parameter.
https://www.pluginvulnerabilities.com/2019/07/01/reflected-cross-site-scripting-xss-vulnerability-in-newsletters/
https://wpvulndb.com/vulnerabilities/9447
https://wordpress.org/plugins/newsletters-lite/#developers
Source: Mitre, NVD
Published: 2019-08-09
Updated: 2026-06-17
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
EPSS: 0.00279