CVE-2026-40750

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-16. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.9Exploit: None knownExposed: 0

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

Unrestricted Upload of File with Dangerous Type vulnerability in themagnifico52 Kids Online Store allows Upload a Web Shell to a Web Server.

This issue affects Kids Online Store: from n/a through 0.8.9.

CVSS v3
9.9
EG Score
9.9(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity99% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

June 16, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Aug 27, 2026
No patch confirmed yet.
generic

Arbitrary File Upload in WordPress Kids Online Store Theme - Patchstack

https://patchstack.com/database/wordpress/theme/kids-online-store/vulnerability/wordpress-kids-online-store-theme-0-8-9-arbitrary-file-upload-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-40750(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 15× in last 7d / 161× 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 399 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-40750?
CVE-2026-40750 is a critical vulnerability published on June 16, 2026. Unrestricted Upload of File with Dangerous Type vulnerability in themagnifico52 Kids Online Store allows Upload a Web Shell to a Web Server. This issue affects Kids Online Store: from n/a through 0.8.9.
When was CVE-2026-40750 disclosed?
CVE-2026-40750 was first published in the National Vulnerability Database on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40750 actively exploited?
CVE-2026-40750 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 80.7% of all scored CVEs.
What is the CVSS score of CVE-2026-40750?
CVE-2026-40750 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-40750?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40750, 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.

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