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CVE-2026-15780— WP Statistics <= 14.16.8 - Unauthenticated Stored Cross-Site Scripting via 'utm_campaign' Parameter

Quick assessment

Affected
veronalabs WP Statistics – Simple, privacy-friendly Google Analytics alternative
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件 WP Statistics——一款简单、注重隐私保护的 Google Analytics 替代品，在 14.16.8 及以下所有版本中，存在存储型跨站脚本（Stored Cross-Site Scripting, XSS）漏洞。该漏洞源于对 参数的输入净化和输出转义不充分，导致未经验证的攻击者能够将任意 Web 脚本注入到网页中，当用户访问被注入的页面时，脚本便会自动执行。 攻击者无需认证即可通过公开的 REST 接口植入恶意负载。这是因为该接口所需的签名信息在公开主页上可见，且一个经过

CVSS 7.2 · High EPSS 0.39% · P33

Affected Version Matrix 1

VendorProduct Version RangeStatus
veronalabs WP Statistics – Simple, privacy-friendly Google Analytics alternative ≤ 14.16.8 affected
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I. Basic Information for CVE-2026-15780

Vulnerability Information
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Vulnerability Title
WP Statistics <= 14.16.8 - Unauthenticated Stored Cross-Site Scripting via 'utm_campaign' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The WP Statistics – Simple, privacy-friendly Google Analytics alternative plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'utm_campaign' parameter in all versions up to, and including, 14.16.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload can be planted without authentication via the public /wp-statistics/v2/hit REST endpoint, because the required signature is exposed on the public homepage and a base64-encoded page_uri POST parameter overrides the previously sanitized REQUEST_URI, allowing the malicious utm_campaign value to bypass sanitization and be stored in the database.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
veronalabs WP Statistics – Simple, privacy-friendly Google Analytics alternative 0 ~ 14.16.8 -

II. Public POCs for CVE-2026-15780

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 8793 chars
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III. Intelligence Information for CVE-2026-15780

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Patches & Fixes for CVE-2026-15780 (9)

Security Blog Posts for CVE-2026-15780 (1)

IV. Related Vulnerabilities

Same product: WP Statistics – Simple, privacy-friendly Google Analytics alternative
Same vendor: veronalabs
Same weakness: CWE-79

V. Comments for CVE-2026-15780

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