Medium severity · published Sep 22, 2025
CVE-2025-57926
WordPress Passster Plugin <= 4.2.18 - Cross Site Scripting (XSS) Vulnerability
6.5
CVSS
0.2%
EPSS
No
On KEV
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 <= 4.2.18.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
Passster · WP Chill
through 4.2.18 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-57926
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-57926
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/content-protector/vulnerability/wordpress-passster-plugin-4-2-18-cross-site-scripting-xss-vulnerability?_s_id=cve
More from Passster
7.5
CVE-2025-64218
WordPress Passster plugin <= 4.2.19 - Sensitive Data Exposure vulnerability
6.5
CVE-2026-25036
WordPress Passster plugin <= 4.2.25 - Broken Access Control vulnerability
5.3
CVE-2026-110896
WordPress Passster plugin <= 4.3.18 - Broken Access Control vulnerability
5.3
CVE-2026-62114
WordPress Passster plugin <= 4.3.13 - Broken Access Control vulnerability