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CVE-2026-15889— Aruba HiSpeed Cache <= 3.0.14 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Content

Quick assessment

Affected
arubadev Aruba HiSpeed Cache
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Aruba HiSpeed Cache是WordPress基金会的一款为网站提供高速缓存的插件。 WordPress Aruba HiSpeed Cache 3.0.14及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，通过Post Content导致存储型跨站脚本，具有Contributor级别及以上权限的已认证攻击者可在页面中注入任意Web脚本，当用户访问被注入的页面时执行。

CVSS 6.4 · Medium EPSS 0.15% · P4

Affected Version Matrix 1

VendorProduct Version RangeStatus
arubadev Aruba HiSpeed Cache ≤ 3.0.14 affected
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I. Basic Information for CVE-2026-15889

Vulnerability Information
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Vulnerability Title
Aruba HiSpeed Cache <= 3.0.14 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Content
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Aruba HiSpeed Cache 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Aruba HiSpeed Cache是WordPress基金会的一款为网站提供高速缓存的插件。 WordPress Aruba HiSpeed Cache 3.0.14及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，通过Post Content导致存储型跨站脚本，具有Contributor级别及以上权限的已认证攻击者可在页面中注入任意Web脚本，当用户访问被注入的页面时执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
arubadev Aruba HiSpeed Cache 0 ~ 3.0.14 -

II. Public POCs for CVE-2026-15889

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III. Intelligence Information for CVE-2026-15889

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Security Blog Posts for CVE-2026-15889 (1)

IV. Related Vulnerabilities

Same product: Aruba HiSpeed Cache
Same vendor: arubadev
Same weakness: CWE-79

V. Comments for CVE-2026-15889

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