CVE-2025-57890 MEDIUM

CVE-2025-57890: WordPress Sessions Plugin <= 3.2.0 - Cross Site Scripting (XSS) Vulnerability

Vendor Pierre Lannoy
Product Sessions
Weakness CWE-79 · XSS
Published August 22, 2025
Last update May 12, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Pierre Lannoy Sessions sessions allows Stored XSS.This issue affects Sessions: from n/a through <= 3.2.0.

Explanation of Vulnerability in Simple Terms

02Summary

Sessions versions up to 3.2.0 contain a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically clicking a crafted link—and can affect other users' browsers and site functionality. Update to version 3.4.0 or later to resolve this issue.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers when they interact with the site.

Potential impact on your site

04Site Impact

An admin account could be compromised to inject scripts affecting other users' sessions and data.

Conditions required to exploit

05Prerequisites

Attacker must have administrator privileges and the victim must click a malicious link or visit a crafted page.

Key dates

06Disclosure timeline

August 22, 2025 CVE published
May 12, 2026 Record updated