CVE-2025-49409 CRITICAL

CVE-2025-49409: WordPress SensorPress plugin <= 1.0 - Cross Site Scripting (XSS) vulnerability

Vendor Brewlabs

Product SensorPress

Weakness CWE-79 · XSS

Published August 20, 2025

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

9.8/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in brewlabs SensorPress allows Stored XSS. This issue affects SensorPress: from n/a through 1.0.

Explanation of Vulnerability in Simple Terms

02Summary

SensorPress versions up to 1.0 contain a cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts into the application. The vulnerability requires no user interaction and can be exploited over the network. An attacker can steal session tokens, deface content, or redirect users to malicious sites.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in the browser of any site visitor.

Potential impact on your site

04Site Impact

Visitors' browsers can be compromised; attackers can steal credentials, inject malware, or deface your site.

Conditions required to exploit

05Prerequisites

Network access to the affected SensorPress instance; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 20, 2025 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-49409 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html

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