CVE-2026-81756

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreHIGH confidence

Score 9.3 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-31. a secondary CVSS source baseline 9.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 0

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

Unauthenticated SQL Injection in Smart Marketing SMS and Newsletters Forms <= 5.1.24 versions.

CVSS v3
9.3
EG Score
9.3(high)
EG Risk
57(Track)
EG Risk 57/100SSVC: 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
Severity93% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

August 31, 2026

Last Modified

September 2, 2026

Advisory Details (1)

Auto-updated Sep 23, 2026
No patch confirmed yet.
generic

SQL Injection in WordPress Smart Marketing SMS and Newsletters Forms Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/smart-marketing-for-wp/vulnerability/wordpress-smart-marketing-sms-and-newsletters-forms-plugin-5-1-24-sql-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-81756(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 54× in last 7d / 190× 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 190 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81756?
CVE-2026-81756 is a critical vulnerability published on August 31, 2026. Unauthenticated SQL Injection in Smart Marketing SMS and Newsletters Forms <= 5.1.24 versions.
When was CVE-2026-81756 disclosed?
CVE-2026-81756 was first published in the National Vulnerability Database on August 31, 2026, with the most recent update on September 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81756 actively exploited?
CVE-2026-81756 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 68.6% of all scored CVEs.
What is the CVSS score of CVE-2026-81756?
CVE-2026-81756 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-81756?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81756, 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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