CVE-2026-123484— WordPress JetFormBuilder plugin <= 3.6.8 - 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.

Crocoblock JetFormBuilder 插件在生成网页期间未能正确净化输入，存在跨站脚本（Cross-site Scripting, XSS）漏洞，具体表现为基于 DOM 的 XSS 攻击。该问题影响 JetFormBuilder 的从“不适用”至 3.6.8 的所有版本。

CVSS 7.1 · High Updated Nov 09, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Crocoblock	JetFormBuilder	`≤ 3.6.8`	affected

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Vulnerability Information

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Vulnerability Title

WordPress JetFormBuilder plugin <= 3.6.8 - 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 JetFormBuilder jetformbuilder allows DOM-Based XSS.This issue affects JetFormBuilder: from n/a through 3.6.8.

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

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Crocoblock	JetFormBuilder	0 ~ 3.6.8	-

II. Public POCs for CVE-2026-123484

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-123484

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Other References for CVE-2026-123484 (1)

https://patchstack.com/database/wordpress/plugin/jetformbuilder/vulnerability/wordpress-jetformbuilder-plugin-3-6-8-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry

https://www.cve.org/CVERecord?id=CVE-2026-123484

IV. Related Vulnerabilities

Same product: JetFormBuilder

Same vendor: Crocoblock

Same weakness: CWE-79