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CVE-2026-122234— jsondiffpatch before 0.7.7 XSS via Array-Move Destination in HTML Formatters

Quick assessment

Affected
benjamine jsondiffpatch
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.

jsondiffpatch 在 0.7.7 版本之前存在跨站脚本（XSS）漏洞。攻击者可以通过在差异（delta）中提供未转义的数组移动目标索引来注入标记。如果攻击者能够控制传递给 或 的差异数据，则可以在输出被渲染时，嵌入并在应用程序的源上下文中执行恶意脚本。

CVSS 4.7 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-122234

Vulnerability Information
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Vulnerability Title
jsondiffpatch before 0.7.7 XSS via Array-Move Destination in HTML Formatters
Source: CVE Program / CVE List V5
Vulnerability Description
jsondiffpatch before 0.7.7 contains a cross-site scripting vulnerability that allows attackers to inject markup by supplying an unescaped array-move destination index in a delta. Attackers who control a delta passed to formatters.html.format() or formatters.annotated.format() can embed script that executes in the application's origin when output is rendered.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
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
benjamine jsondiffpatch 0 ~ 0.7.7 -

II. Public POCs for CVE-2026-122234

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-122234

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Other References for CVE-2026-122234 (3)

IV. Related Vulnerabilities

Same product: jsondiffpatch
Same weakness: CWE-79