CVE-2026-84817— WordPress JetFormBuilder plugin <= 3.6.5.1 - Cross Site Scripting (XSS) vulnerability
Quick assessment
Affected
Crocoblock JetFormBuilder
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 JetFormBuilder是WordPress基金会的一款可视化表单构建与提交数据管理插件。 WordPress JetFormBuilder 3.6.5.1及之前版本存在跨站脚本漏洞，该漏洞源于跨站脚本（XSS）漏洞，可能导致未经身份验证的攻击者注入恶意脚本。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by CompromiseAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Crocoblock | JetFormBuilder | n/a≤ 3.6.5.1 |
affected |
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I. Basic Information for CVE-2026-84817
Vulnerability Information
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Vulnerability Title
WordPress JetFormBuilder plugin <= 3.6.5.1 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in JetFormBuilder <= 3.6.5.1 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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 JetFormBuilder 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress JetFormBuilder是WordPress基金会的一款可视化表单构建与提交数据管理插件。 WordPress JetFormBuilder 3.6.5.1及之前版本存在跨站脚本漏洞，该漏洞源于跨站脚本（XSS）漏洞，可能导致未经身份验证的攻击者注入恶意脚本。
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 |
|---|---|---|---|---|
| Crocoblock | JetFormBuilder | n/a ~ 3.6.5.1 | - |
|
II. Public POCs for CVE-2026-84817
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-84817 (1)
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V. Comments for CVE-2026-84817
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