CVE-2026-8678

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-07-11. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

The MyParcel plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.25.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to view and modify shipment options — including carrier, delivery type, package type, number of labels, weight, signature requirement, and insurance — on any arbitrary order.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
20(Track)
EG Risk 20/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

July 11, 2026

Last Modified

July 13, 2026

References (8)

Vendor Advisories for CVE-2026-8678(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 18× in last 7d / 88× 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 127 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-8678?
CVE-2026-8678 is a medium vulnerability published on July 11, 2026. The MyParcel plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.25.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and…
When was CVE-2026-8678 disclosed?
CVE-2026-8678 was first published in the National Vulnerability Database on July 11, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8678 actively exploited?
CVE-2026-8678 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 66.6% of all scored CVEs.
What is the CVSS score of CVE-2026-8678?
CVE-2026-8678 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-8678?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8678, 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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