---
id: CVE-2026-15889
title: >-
  Aruba HiSpeed Cache <= 3.0.14 - Authenticated (Contributor+) Stored Cross-Site
  Scripting via Post Content
summary: >-
  The Aruba HiSpeed Cache plugin for WordPress is vulnerable to Stored
  Cross-Site Scripting via the Post Content in all versions up to, and
  including, 3.0.14 due to insufficient input sanitization and output escaping.
  This makes it possibl…
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: arubadev
product: Aruba HiSpeed Cache
affected:
  - aruba_hispeed_cache <= 3.0.14
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-10T20:36:51.213373Z'
published: '2026-09-10'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T21:00:26.213Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-15889'
references:
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/59650bce-1b7c-4d3f-b4b0-594108510453?source=cve
  - url: 'https://plugins.trac.wordpress.org/changeset/3674227/'
tags:
  - cve.org
epss: 0.00152
epssPercentile: 0.03588
ingestedAt: '2026-09-11T16:45:48.023Z'
---

## Overview

The Aruba HiSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Post Content in all versions up to, and including, 3.0.14 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

## Affected

- `aruba_hispeed_cache <= 3.0.14`

## Remediation

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