CVE-2026-9815

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-18. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

The MagicForm WordPress plugin through 0.1.3 does not properly validate the type of files uploaded through an unauthenticated AJAX action when a form's per-field extension allowlist is left empty, allowing unauthenticated attackers to upload PHP files and execute arbitrary code on the server.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

June 18, 2026

Last Modified

June 22, 2026

Advisory Details (1)

Auto-updated Jun 18, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

MagicForm <= 0.1.3 – Unauthenticated Arbitrary File Upload to RCE | CVE 2026-9815 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/043f449f-fc65-4218-83d2-7742e62f2af3/

Vendor Advisories for CVE-2026-9815(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 49× 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 168 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-9815?
CVE-2026-9815 is a medium vulnerability published on June 18, 2026. The MagicForm WordPress plugin through 0.1.3 does not properly validate the type of files uploaded through an unauthenticated AJAX action when a form's per-field extension allowlist is left empty, allowing unauthenticated attackers to upload PHP files and execute arbitrary code on the server.
When was CVE-2026-9815 disclosed?
CVE-2026-9815 was first published in the National Vulnerability Database on June 18, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9815 actively exploited?
CVE-2026-9815 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 88.1% of all scored CVEs.
What is the CVSS score of CVE-2026-9815?
CVE-2026-9815 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-9815?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9815, 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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