CVE-2026-66424

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-13. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

Unauthenticated Privilege Escalation in SMS Alert Order Notifications <= 3.9.7 versions.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 14, 2026

Advisory Details (1)

Auto-updated Sep 18, 2026
No patch confirmed yet.
generic

Privilege Escalation in WordPress SMS Alert Order Notifications Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/sms-alert/vulnerability/wordpress-sms-alert-order-notifications-plugin-3-9-7-privilege-escalation-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-66424(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 47× in last 7d / 201× 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 268 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-66424?
CVE-2026-66424 is a critical vulnerability published on August 13, 2026. Unauthenticated Privilege Escalation in SMS Alert Order Notifications <= 3.9.7 versions.
When was CVE-2026-66424 disclosed?
CVE-2026-66424 was first published in the National Vulnerability Database on August 13, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66424 actively exploited?
CVE-2026-66424 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 74.6% of all scored CVEs.
What is the CVSS score of CVE-2026-66424?
CVE-2026-66424 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-66424?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66424, 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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