CVE-2026-42839
Last modified
CVE-2026-42839 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the item_name, description, or image fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.This issue affects ERPNext: 16.16.0.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the item_name, description, or image fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.This issue affects ERPNext: 16.16.0.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-42839?
How severe is CVE-2026-42839?
How do I fix CVE-2026-42839?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-42833Improper control of generation of code ('code injection') in…9.1
- CVE-2026-42834Improper access control in Windows Admin Center allows an au…7.8
- CVE-2026-42835Improper neutralization of special elements in output used b…8.1
- CVE-2026-42836Concurrent execution using shared resource with improper syn…7
- CVE-2026-42837Out-of-bounds read in Windows Projected File System Filter D…7.8
- CVE-2026-42838Improper neutralization of special elements in output used b…5.4
- CVE-2026-4284A vulnerability was determined in taoofagi easegen-admin up …4.7
- CVE-2026-42840An authenticated user can persist arbitrary HTML/JavaScript …5.1
- CVE-2026-42841Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an…4.8
- CVE-2026-42842The form plugin for Grav adds the ability to create and use …5.4
- CVE-2026-42843Grav API Plugin is a RESTful API for Grav CMS that provides …8.8
- CVE-2026-42844Grav is a file-based Web platform. In Grav 2.0.0-beta.2, a l…8.8
Are you affected by CVE-2026-42839?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
