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CVE-2026-123477— WordPress JetEngine plugin <= 3.9.0.2 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
Crocoblock JetEngine
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.

Crocoblock JetEngine 插件在生成网页时未能正确中和输入数据（即“跨站脚本攻击”漏洞），导致存在存储型跨站脚本攻击（Stored XSS）风险。该问题影响 JetEngine 从未知版本至 3.9.0.2 版本。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-123477

Vulnerability Information
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Vulnerability Title
WordPress JetEngine plugin <= 3.9.0.2 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Crocoblock JetEngine jet-engine allows Stored XSS.This issue affects JetEngine: from n/a through 3.9.0.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Crocoblock JetEngine 0 ~ 3.9.0.2 -

II. Public POCs for CVE-2026-123477

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III. Intelligence Information for CVE-2026-123477

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Other References for CVE-2026-123477 (1)

Same Patch Batch · Crocoblock · 2026-11-07 · 4 CVEs total

CVE-2026-123860 5.3 MEDIUM WordPress JetFormBuilder plugin <= 3.6.8 - Content Injection vulnerability
CVE-2026-123861 5.3 MEDIUM WordPress JetFormBuilder – Hierarchical Select plugin <= 1.0.10 - Insecure Direct Object R
CVE-2026-123483 5.3 MEDIUM WordPress JetFormBuilder plugin <= 3.6.8 - Content Injection vulnerability

IV. Related Vulnerabilities

Same product: JetEngine
Same vendor: Crocoblock
Same weakness: CWE-79