Stored Cross-Site Scripting Flaw in Aruba HiSpeed Cache Plugin for WordPress
CVE-2026-15889

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Aruba Hispeed Cache
Vendor
CVE Published:
10 September 2026

What is CVE-2026-15889?

The Aruba HiSpeed Cache plugin for WordPress is exposed to a Stored Cross-Site Scripting vulnerability due to inadequate input sanitization and output escaping. This flaw allows authenticated attackers with Contributor-level access and above to embed malicious web scripts into page content. When users access these compromised pages, the injected scripts execute, potentially compromising user data and leading to further security breaches.

Affected Version(s)

Aruba HiSpeed Cache 0 <= 3.0.14

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3674227/

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

theviper17y
.