CVE-2026-42839

MEDIUMPre-NVD 4.84.8—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 83% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
4.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
4.8
EG Score
4.8(medium)
EPSS
17.5%
KEV
Not listed

Published

June 3, 2026

Last Modified

June 4, 2026

Advisory Details (2)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

GitHub - frappe/erpnext: Free and Open Source Enterprise Resource Planning (ERP) · GitHub

https://github.com/frappe/erpnext
generic

Fluid Attacks

https://fluidattacks.com/es/advisories/pink

Vendor Advisories for CVE-2026-42839(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 71× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 115 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-14 03:28 UTCEG score recompute
  4. 2026-07-14 03:28 UTCGHSA enrichment
  5. 2026-07-13 22:30 UTCEPSS rescore
  6. 2026-07-13 06:13 UTCEPSS rescore
  7. 2026-07-12 05:46 UTCEPSS rescore
  8. 2026-07-11 12:37 UTCEG score recompute
  9. 2026-07-11 12:37 UTCGHSA enrichment
  10. 2026-07-11 08:27 UTCEPSS rescore
  11. 2026-07-09 19:10 UTCEPSS rescore
  12. 2026-07-08 16:22 UTCEG score recompute
  13. 2026-07-08 16:22 UTCGHSA enrichment
  14. 2026-07-08 15:16 UTCEPSS rescore
  15. 2026-07-07 13:46 UTCEPSS rescore
  16. 2026-07-06 16:27 UTCEPSS rescore
  17. 2026-07-06 16:27 UTCEPSS rescore
  18. 2026-07-06 02:23 UTCEPSS rescore
  19. 2026-07-06 02:23 UTCEPSS rescore
  20. 2026-07-05 02:30 UTCEPSS rescore
  21. 2026-07-04 06:31 UTCEPSS rescore
  22. 2026-07-03 19:45 UTCEG score recompute
  23. 2026-07-03 19:45 UTCGHSA enrichment
  24. 2026-07-02 18:50 UTCEG score recompute
  25. 2026-07-02 18:49 UTCGHSA enrichment
Show 75 more
  1. 2026-07-01 20:24 UTCEG score recompute
  2. 2026-07-01 20:24 UTCGHSA enrichment
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-06-30 23:22 UTCEPSS rescore
  5. 2026-06-30 21:56 UTCEG score recompute
  6. 2026-06-30 21:56 UTCGHSA enrichment
  7. 2026-06-29 14:30 UTCEG score recompute
  8. 2026-06-29 14:30 UTCGHSA enrichment
  9. 2026-06-29 14:06 UTCEPSS rescore
  10. 2026-06-28 16:05 UTCEG score recompute
  11. 2026-06-28 16:05 UTCGHSA enrichment
  12. 2026-06-28 14:07 UTCEPSS rescore
  13. 2026-06-28 04:56 UTCEPSS rescore
  14. 2026-06-27 17:38 UTCEG score recompute
  15. 2026-06-27 17:38 UTCGHSA enrichment
  16. 2026-06-27 03:08 UTCEPSS rescore
  17. 2026-06-26 19:11 UTCEG score recompute
  18. 2026-06-26 19:11 UTCGHSA enrichment
  19. 2026-06-25 20:46 UTCEG score recompute
  20. 2026-06-25 20:46 UTCGHSA enrichment
  21. 2026-06-25 13:49 UTCEPSS rescore
  22. 2026-06-25 13:49 UTCEPSS rescore
  23. 2026-06-24 22:20 UTCEG score recompute
  24. 2026-06-24 22:20 UTCGHSA enrichment
  25. 2026-06-24 14:05 UTCEPSS rescore
  26. 2026-06-23 21:33 UTCEPSS rescore
  27. 2026-06-23 19:02 UTCEG score recompute
  28. 2026-06-23 19:01 UTCGHSA enrichment
  29. 2026-06-22 14:25 UTCEPSS rescore
  30. 2026-06-22 14:25 UTCEPSS rescore
  31. 2026-06-21 14:56 UTCEPSS rescore
  32. 2026-06-21 14:56 UTCEPSS rescore
  33. 2026-06-21 01:59 UTCEPSS rescore
  34. 2026-06-19 20:35 UTCEG score recompute
  35. 2026-06-19 20:35 UTCGHSA enrichment
  36. 2026-06-19 19:25 UTCEPSS rescore
  37. 2026-06-18 21:32 UTCEG score recompute
  38. 2026-06-18 21:31 UTCGHSA enrichment
  39. 2026-06-18 17:52 UTCEPSS rescore
  40. 2026-06-18 17:52 UTCEPSS rescore
  41. 2026-06-17 19:26 UTCEG score recompute
  42. 2026-06-17 19:26 UTCGHSA enrichment
  43. 2026-06-17 17:53 UTCEPSS rescore
  44. 2026-06-16 21:00 UTCEG score recompute
  45. 2026-06-16 21:00 UTCGHSA enrichment
  46. 2026-06-16 17:52 UTCEPSS rescore
  47. 2026-06-15 22:34 UTCEG score recompute
  48. 2026-06-15 22:34 UTCGHSA enrichment
  49. 2026-06-15 17:49 UTCEPSS rescore
  50. 2026-06-15 00:08 UTCEG score recompute
  51. 2026-06-15 00:08 UTCGHSA enrichment
  52. 2026-06-14 01:42 UTCEG score recompute
  53. 2026-06-14 01:41 UTCGHSA enrichment
  54. 2026-06-13 23:00 UTCEPSS rescore
  55. 2026-06-13 03:13 UTCEG score recompute
  56. 2026-06-13 03:13 UTCGHSA enrichment
  57. 2026-06-12 23:12 UTCEPSS rescore
  58. 2026-06-12 23:12 UTCEPSS rescore
  59. 2026-06-12 04:47 UTCEG score recompute
  60. 2026-06-12 04:47 UTCGHSA enrichment
  61. 2026-06-11 14:00 UTCEPSS rescore
  62. 2026-06-11 06:21 UTCEG score recompute
  63. 2026-06-11 06:21 UTCGHSA enrichment
  64. 2026-06-10 22:18 UTCEPSS rescore
  65. 2026-06-10 13:22 UTCEPSS rescore
  66. 2026-06-10 13:22 UTCEPSS rescore
  67. 2026-06-10 07:56 UTCEG score recompute
  68. 2026-06-10 07:55 UTCGHSA enrichment
  69. 2026-06-09 09:29 UTCEG score recompute
  70. 2026-06-09 09:29 UTCGHSA enrichment
  71. 2026-06-08 14:17 UTCEPSS rescore
  72. 2026-06-08 14:17 UTCEPSS rescore
  73. 2026-06-08 11:03 UTCEG score recompute
  74. 2026-06-08 11:03 UTCGHSA enrichment
  75. 2026-06-07 15:25 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-42839?
CVE-2026-42839 is a medium vulnerability published on June 3, 2026. 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…
When was CVE-2026-42839 disclosed?
CVE-2026-42839 was first published in the National Vulnerability Database on June 3, 2026, with the most recent update on June 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-42839 actively exploited?
CVE-2026-42839 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-42839?
CVE-2026-42839 has a CVSS v3 base score of 4.8 (NVD).
How do I remediate CVE-2026-42839?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42839, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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