CVE-2026-18945

HIGHPre-NVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-13. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

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

The WP Helper Premium WordPress plugin before 4.7.6 does not verify the order key when rendering its custom order confirmation page or when handling the related AJAX actions, allowing unauthenticated users to view other customers' order details, including personal information, as well as change the state of arbitrary orders.

Exploitation requires WooCommerce to be active and the WP Helper Premium WordPress plugin before 4.7.6's optional order confirmation page module to be enabled.

CVSS v3
8.2
EG Score
8.2(medium)
EG Risk
52(Track)
EG Risk 52/100SSVC: 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
Severity82% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 13, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

WP Helper Premium < 4.7.6 – Unauthenticated Order Data Disclosure and Order Manipulation via Missing Order Key Validation | CVE 2026-18945 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/0d43b739-90de-4bae-90c1-3acaee8888e6/

Vendor Advisories for CVE-2026-18945(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 22× in last 7d / 99× 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 139 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18945?
CVE-2026-18945 is a high vulnerability published on August 13, 2026. The WP Helper Premium WordPress plugin before 4.7.6 does not verify the order key when rendering its custom order confirmation page or when handling the related AJAX actions, allowing unauthenticated users to view other customers' order details, including personal information, as well as change the…
When was CVE-2026-18945 disclosed?
CVE-2026-18945 was first published in the National Vulnerability Database on August 13, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18945 actively exploited?
CVE-2026-18945 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 90.7% of all scored CVEs.
What is the CVSS score of CVE-2026-18945?
CVE-2026-18945 has a CVSS v3.1 base score of 8.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-18945?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18945, 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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