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
20%
KEV
Not listed

Published

June 16, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jul 23, 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 19× in last 7d / 136× 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 227 total refreshes for this CVE.

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

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 80.5% 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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