CVE-2025-57926

WordPress Passster Plugin <= 4.2.18 - Cross Site Scripting (XSS) Vulnerability

6.5 MediumPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.23%Up 0.2 points since Sep 23, 2025

What each source reports

CVE List Score used6.5

WordPress Passster Plugin <= 4.2.18 - Cross Site Scripting (XSS) Vulnerability

Record: CVE-2025-57926
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-307056.5

Record: EUVD-2025-30705
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-64m4-87j8-fj5c6.5

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Chill Passster allows Stored XSS. This issue affects Passster: from n/a through 4.2.18.

Record: GHSA-64m4-87j8-fj5c
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD6.5

Record: CVE-2025-57926
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

wp chill passster

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	quetuan03/CVE-2025-57926	2025-10-01

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-57926 is a medium vulnerability (CVSS 6.5) in Wp Chill Passster, published September 22, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.