CVE-2025-31378 HIGH

CVE-2025-31378: WordPress Oppso Unit Converter plugin <= 1.1.1 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Danbwb
Product Oppso Unit Converter
Weakness CWE-79 · XSS
Published April 11, 2025
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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 danbwb Oppso Unit Converter oppso-unit-converter allows Reflected XSS.This issue affects Oppso Unit Converter: from n/a through <= 1.1.1.

Explanation of Vulnerability in Simple Terms

02Summary

Oppso Unit Converter versions 1.1.1 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link that, when visited by a user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or malware distribution.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser to steal session data or credentials.

Potential impact on your site

04Site Impact

Users visiting the affected plugin may have their sessions compromised or credentials stolen if they click attacker-controlled links.

Conditions required to exploit

05Prerequisites

Attacker must trick a user into clicking a malicious link or visiting a crafted page.

Key dates

06Disclosure timeline

April 11, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE