CVE-2025-26734 MEDIUM

CVE-2025-26734: WordPress Hester plugin <= 1.1.10 - Cross Site Scripting (XSS) vulnerability

Vendor Peregrinethemes

Product Hester

Weakness CWE-79 · XSS

Published March 27, 2025

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 peregrinethemes Hester hester allows Stored XSS.This issue affects Hester: from n/a through <= 1.1.10.

Explanation of Vulnerability in Simple Terms

02Summary

Hester through version 1.1.10 contains a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. The vulnerability requires user interaction and affects the scope beyond the vulnerable component. An attacker with low-level access can craft a malicious link or page that, when visited by another user, executes arbitrary JavaScript in their browser.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in other users' browsers to steal session tokens, redirect users, or deface content.

Potential impact on your site

04Site Impact

Authenticated users' sessions and data can be compromised if they interact with attacker-crafted content.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account; victim must click a malicious link or visit an attacker-controlled page.

Key dates

06Disclosure timeline

March 27, 2025 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-26734 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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