---
id: CVE-2026-97328
title: WebP Express < 0.25.16 - Unauthenticated Stored XSS via Alter HTML Parser
summary: >-
  The WebP Express WordPress plugin before 0.25.16 does not escape values that
  its bundled HTML parser re-emits into element attributes when a non-default
  image delivery mode is enabled, allowing unauthenticated users to submit
  content tha…
severity: none
cwe:
  - CWE-79
product: WebP Express
affected:
  - webp_express < 0.25.16
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T06:00:18.825Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-97328'
references:
  - url: 'https://wpscan.com/vulnerability/f44cb329-fb2e-4fb1-b878-8b52b0c769cc/'
tags:
  - cve.org
ingestedAt: '2026-10-22T06:30:48.513Z'
---

## Overview

The WebP Express WordPress plugin before 0.25.16 does not escape values that its bundled HTML parser re-emits into element attributes when a non-default image delivery mode is enabled, allowing unauthenticated users to submit content that is stored and later executed as Cross-Site Scripting in the browser of any user viewing an affected page, including administrators.

## Affected

- `webp_express < 0.25.16`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.