Medium · 6.5 CVE-2026-125454 EUVD-2026-123467GHSA-mmh3-q235-rhm5

WordPress Passster plugin <= 4.3.21 - Cross Site Scripting (XSS) vulnerability

Published Nov 11, 2026 · Updated Nov 11, 2026 · Assigned by Patchstack

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Chill Passster content-protector allows Stored XSS.This issue affects Passster: from n/a through 4.3.21.

Affected products

Vendor	Product	Affected	Fixed
WP Chill	Passster	≤ 4.3.21	—

References

https://patchstack.com/database/wordpress/plugin/content-protector/vulnerability/wordpress-passster-plugin-4-3-21-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry