CVE-2026-84753

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-03. 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 PHP Object Injection in Mail Mint <= 1.31.0 versions.

CVSS v3
9.8
EG Score
9.8(high)
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
24%
KEV
Not listed

Published

September 3, 2026

Last Modified

September 5, 2026

Advisory Details (1)

Auto-updated Sep 19, 2026
No patch confirmed yet.
generic

PHP Object Injection in WordPress Mail Mint Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/mail-mint/vulnerability/wordpress-mail-mint-plugin-1-31-0-php-object-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-84753(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 / 136× 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 136 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84753?
CVE-2026-84753 is a critical vulnerability published on September 3, 2026. Unauthenticated PHP Object Injection in Mail Mint <= 1.31.0 versions.
When was CVE-2026-84753 disclosed?
CVE-2026-84753 was first published in the National Vulnerability Database on September 3, 2026, with the most recent update on September 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84753 actively exploited?
CVE-2026-84753 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 75.5% of all scored CVEs.
What is the CVSS score of CVE-2026-84753?
CVE-2026-84753 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-84753?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84753, 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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