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CVE-2026-122234jsondiffpatch before 0.7.7 XSS via Array-Move Destination in HTML Formatters
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.
2.3 LOWEPSS 0.17%Not in KEVNVD: Received
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 2.3 | LOW | 4.0VulnCheck (CNA) | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| 4.7 | MEDIUM | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N |
Details
- CVE ID
- CVE-2026-122234
- Status
- Received
- Assigner (CNA)
- VulnCheck
- Published
- Nov 4, 2026
- Last modified
- 2026-11-04 21:18 UTC
- Weaknesses
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
As published by the CNA in the CVE record.
benjaminejsondiffpatch1 version range
- before 0.7.7
References
- github.com https://github.com/benjamine/jsondiffpatch/commit/c6b2d97b34bc2356c816d8dd0f8b1c8af16bb6af
- github.com https://github.com/benjamine/jsondiffpatch/security/advisories/GHSA-jhmf-rq89-q58p
- vulncheck.com https://www.vulncheck.com/advisories/jsondiffpatch-before-0.7.7-xss-via-array-move-destination-in-html-formatters