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CVE-2025-4776— Phlox <= 2.17.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via `data-caption` HTML Attribute

CVSS 6.4 · Medium EPSS 0.05% · P16
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I. Basic Information for CVE-2025-4776

Vulnerability Information
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Vulnerability Title
Phlox <= 2.17.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via `data-caption` HTML Attribute
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Phlox theme for WordPress is vulnerable to Stored Cross-Site Scripting via the `data-caption` HTML attribute in all versions up to, and including, 2.17.7 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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Phlox 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Phlox 2.17.7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，可能导致存储型跨站脚本攻击。
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

VendorProductAffected VersionsCPESubscribe
avertaPhlox * ~ 2.17.7 -

II. Public POCs for CVE-2025-4776

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III. Intelligence Information for CVE-2025-4776

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Same Patch Batch · averta · 2026-01-06 · 3 CVEs total

CVE-2025-113705.3 MEDIUMDepicter <= 4.0.7 - Missing Authorization to Unauthenticated Display Rule Updates
CVE-2025-132155.3 MEDIUMShortcodes and extra features for Phlox theme <= 2.17.13 - Unauthenticated Draft Posts Inf

IV. Related Vulnerabilities

Same vendor: averta
Same weakness: CWE-79

V. Comments for CVE-2025-4776

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