CVE-2026-56027

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-26. 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
9.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.9Exploit: NoneExposed: 0

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

Customer Arbitrary File Upload in Booster for WooCommerce <= 8.0.1 versions.

CVSS v3
9.9
EG Score
9.9(high)
EPSS
24.8%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 26, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic

Arbitrary File Upload in WordPress Booster for WooCommerce Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/woocommerce-jetpack/vulnerability/wordpress-booster-for-woocommerce-plugin-8-0-1-arbitrary-file-upload-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-56027(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 88× in last 7d / 137× 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 137 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56027?
CVE-2026-56027 is a critical vulnerability published on June 26, 2026. Customer Arbitrary File Upload in Booster for WooCommerce <= 8.0.1 versions.
When was CVE-2026-56027 disclosed?
CVE-2026-56027 was first published in the National Vulnerability Database on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56027 actively exploited?
CVE-2026-56027 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56027?
CVE-2026-56027 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-56027?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56027, 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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