In the Parallax Scroll (aka adamrob-parallax-scroll) plugin before 2.1 for WordPress, includes/adamrob-parralax-shortcode.php allows XSS via the title text. ("parallax" has a spelling change within the PHP filename.)
https://plugins.trac.wordpress.org/changeset/2024194/
https://metamorfosec.com/Files/Advisories/METS-2019-004-A_XSS_Vulnerability_in_Parallax_Scroll_plugin_before_v2.1_for_WordPress.txt
Source: Mitre, NVD
Published: 2019-02-05
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:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.0019