CVE-2026-42839
📛 CVE Title
ERPNext 16.16.0 - Stored XSS in POS cart item rendering
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- Fluid Attacks
- CVSS severity
- MEDIUM
- CVSS score
- 4.8 / 10
- CVSS vector
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- Effective score
- 4.8 / 10 MEDIUM source: CNA overview
- CWE(s)
-
CWE-79 - Reserved
- 2026-04-30
- Published
- 2026-06-03 17:44 UTC
- Last updated
- 2026-06-03 19:09 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/42xxx/CVE-2026-42839.json
- Linked Threat
- CVE-2026-42839 — CVE-2026-42839
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-06-03 19:16:38 UTC
- NVD last modified
- 2026-07-22 20:10:00 UTC
- EPSS score
- 0.0026 (probability of exploitation in next 30 days)
- EPSS percentile
- 17.76% vs all CVEs — higher = more likely to be exploited, as of 2026-08-01
NVD / KEV / EPSS data refreshed 2026-08-01 16:42 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-34158 - Assigner
- Fluid Attacks
- Published
- Jun 3, 2026, 5:44:41 PM
- Updated
- Jun 3, 2026, 7:09:12 PM
- EUVD base score (CVSS 4.0)
-
4.8 / 10
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 - EUVD-reported EPSS
- 0.2600
- Vendors
- frappe
- Products
-
ERPNext (16.16.0)
- Aliases
-
GHSA-hc32-c5xw-9f2m
ENISA 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.
EUVD references (2)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Frappe | ERPNext |
16.16.0 (affected)
|
Windows, MacOS, Linux |
Vendor references (2)
References embedded in the original CVE record by the assigning CNA.
- https://fluidattacks.com/es/advisories/pink third-party-advisory
- https://github.com/frappe/erpnext product
Web references (5)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://fluidattacks.com/es/advisories/pink tenable:fluidattacks.com
- https://github.com/frappe/erpnext tenable:github.com
- https://nvd.nist.gov/vuln/detail/CVE-2026-42839 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-42839 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (2)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://fluidattacks.com/es/advisories/pink help@fluidattacks.com
- https://github.com/frappe/erpnext help@fluidattacks.com
Remediations (20)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:en-forum.guildwars2.com
05/12/2026—May 12 Release Notes Note to users of third-party programs: The game may not launch or work properly after we release a new build if you use a third-party program, due to possible incompatibilities. ArenaNet cannot offer support if a third-party modification breaks, interferes with, or ...
2026-06-08 15:51 UTC -
web:federalnewsnetwork.com
The problem is most severe in operational technology (OT) environments. In these systems, a security fix often carries more risk than the bug it's meant to address. When a patch threatens the stability of a mission-critical service, the result is a dangerous, if necessary, paralysis. We need to stop treating speed as the only metric of success. The asymmetry of time Federal networks are a ...
2026-06-08 15:51 UTC -
web:hi.service-now.com
ServiceNow 24/7 Support Available Patches Australia Patch 2 Hot Fix 1 Zurich Patch 9 Hot Fix 1 See more for product documentation
2026-06-08 15:51 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-06-08 15:51 UTC -
web:support.google.com
People from all over the world use Google Play to access apps and games every day. Before submitting an app, ask yourself if your app is appropriate for Google Play and compliant with local laws.
2026-06-08 15:51 UTC -
web:support.google.com
On your computer, go to gmail.com. Enter your Google Account email address or phone number and password. If information is already filled in and you need to sign in to a different
2026-06-08 15:51 UTC -
web:wa.me
Hosted by WhatsApp 2026 © WhatsApp LLC Privacy & Terms
2026-06-08 15:51 UTC -
web:warcraftmounts.com
Patch 12.0.5 - mounts listed by source.
2026-06-08 15:51 UTC -
web:www.glennbeck.com
Glenn starts the show by addressing the backlash he has received over his recent discussions on Russian influence in America and Aleksandr Dugin's influence in the West. Glenn warns of attempts to fix diagnoses in society that often lead to worse outcomes. Glenn takes calls from his listeners, who discuss a variety of issues, including questioning how political candidates linked to al-Qaeda ...
2026-06-08 15:51 UTC -
web:www.virustotal.com
VirusTotal is a platform for scanning files and URLs for viruses, malware, and other threats using multiple antivirus engines.
2026-06-08 15:51 UTC -
web:oradba.ch
On April 21, 2026 , Oracle released the Critical Patch Update (CPU) for April 2026 — 481 new security fixes across the entire Oracle product stack. For Oracle Database, this means another round of mandatory patching. What makes this quarter unusual: several key Release Updates, including 19.31 and 23.26.2, were not available on release day and are delayed by up to a week or more.
2026-06-19 02:33 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-06-19 02:33 UTC -
web:support.sap.com
SAP security Patch Day Bulletin
2026-06-19 02:33 UTC -
web:unit42.paloaltonetworks.com
Dissecting the ClickFix Technique Before we examine the ClickFix technique, we must better understand what ClickFix is and how prevalent it has become in recent months. ClickFix is a relatively new social engineering technique that threat actors increasingly use in attack campaigns. This technique misleads targeted users into applying "quick fixes" to common computer issues, such as ...
2026-06-19 02:33 UTC -
web:www.crowdstrike.com
Microsoft has released security updates for 130 vulnerabilities, including 30 critical, in its May 2026 Patch Tuesday rollout.
2026-06-19 02:33 UTC -
web:www.microsoft.com
Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.
2026-06-19 02:33 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-06-19 02:33 UTC -
web:www.oracle.com
This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.
2026-06-19 02:33 UTC -
web:www.veeam.com
When a vulnerability is identified, our team promptly develops a patch to address and mitigate the risk. In line with our dedication to transparency, we publicly disclose the vulnerability and provide detailed mitigation information.
2026-06-19 02:33 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-06-19 02:33 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-42839.json.
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