CVE-2026-15889

MediumCVSS 6.4

Published: 10/09/2026(UTC)Updated: 10/09/2026(UTC)Translated: 10/09/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.25%

16th percentile - higher than 16% of all known CVEs

Summary

The Aruba HiSpeed Cache plugin for WordPress in all versions up to and including 3.0.14 is vulnerable to stored cross-site scripting via the Post Content due to insufficient input sanitization and output escaping. An authenticated attacker with Contributor-level access or above can inject arbitrary scripts into pages that execute when a user accesses the injected page.

Risk Assessment

An attacker with Contributor-level access can execute arbitrary JavaScript in visitors' browsers, potentially leading to session theft or administrator account compromise.

Recommendation

Update the Aruba HiSpeed Cache plugin to a version later than 3.0.14.

Other vulnerabilities in Aruba HiSpeed Cache

CVE-2025-67913Medium
Missing Authorization vulnerability in Aruba.it Dev Aruba HiSpeed Cache allows accessing functionality not properly constrained by ACLs. This issue affects Aruba HiSpeed Cache from n/a through < 3.0.3.

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS