CVE-2025-26565 HIGH

CVE-2025-26565: WordPress GNUPress Plugin <= 0.2.9 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Kagla

Product GNUPress

Weakness CWE-79 · XSS

Published March 26, 2025

Last update April 28, 2026

View on NVD All CVEs

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 kagla GNUPress gnupress allows Reflected XSS.This issue affects GNUPress: from n/a through <= 0.2.9.

Explanation of Vulnerability in Simple Terms

02Summary

GNUPress versions 0.2.9 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—typically clicking a malicious link—and can affect other users viewing the compromised content. An attacker with no authentication can exploit this to steal session cookies, redirect users, or deface site content.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in other users' browsers when they visit affected pages.

Potential impact on your site

04Site Impact

Visitors' browsers can be compromised, leading to credential theft, malware distribution, or site defacement.

Conditions required to exploit

05Prerequisites

Victim must click a malicious link or visit a page containing the attacker's payload; no authentication required.

Key dates

06Disclosure timeline

March 26, 2025 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-26565 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities