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CVE-2026-28558— wpForo Forum 2.4.14 Stored XSS via SVG Avatar File Upload

CVSS 6.4 · Medium EPSS 0.04% · P11
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I. Basic Information for CVE-2026-28558

Vulnerability Information
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Vulnerability Title
wpForo Forum 2.4.14 Stored XSS via SVG Avatar File Upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows authenticated subscribers to upload SVG files as profile avatars through the avatar upload functionality. Attackers upload a crafted SVG containing CSS injection or JavaScript event handlers that execute in the browsers of any user who views the attacker's profile 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 wpForo Forum 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 wpForo Forum 2.4.14版本存在跨站脚本漏洞，该漏洞源于允许上传SVG文件作为个人资料头像，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
gVectors TeamwpForo Forum 2.4 ~ 2.4.16 -

II. Public POCs for CVE-2026-28558

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III. Intelligence Information for CVE-2026-28558

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Same Patch Batch · gVectors Team · 2026-02-28 · 9 CVEs total

CVE-2026-285628.2 HIGHwpForo Forum 2.4.14 SQL Injection via Topics ORDER BY Parameter
CVE-2026-285576.5 MEDIUMwpForo Forum 2.4.14 Privilege Escalation via Role Synchronization Handler
CVE-2026-285615.5 MEDIUMwpForo Forum 2.4.14 Stored XSS via Unescaped Forum Description in Templates
CVE-2026-285605.5 MEDIUMwpForo Forum 2.4.14 Stored XSS via Unsafe JSON Encoding in Inline Script
CVE-2026-285565.4 MEDIUMwpForo Forum 2.4.14 Missing Authorization via Topic Management Form Handlers
CVE-2026-285595.3 MEDIUMwpForo Forum 2.4.14 Information Disclosure via Global RSS Feed
CVE-2026-285554.3 MEDIUMwpForo Forum 2.4.14 Missing Authorization via Topic Close AJAX Handler
CVE-2026-285544.3 MEDIUMwpForo Forum 2.4.14 Missing Authorization via Post Approval AJAX Handler

IV. Related Vulnerabilities

Same product: wpForo Forum
Same vendor: gVectors Team
Same weakness: CWE-79

V. Comments for CVE-2026-28558

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