CVE-2026-15368

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.1Exploit: None knownExposed services: Not assessed

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

The User Profile Builder WordPress plugin before 3.16.4 does not correctly bind the automatic login performed after user registration to the newly created account, allowing unauthenticated attackers to obtain an authenticated session for an arbitrary existing user, including administrators, on sites using a supported but non-default configuration.

CVSS v3
8.1
EG Score
8.1HIGHmedium confidence
EG Risk
37
EG Risk 37/100CISA SSVC

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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.4%
EPSS %ILE
30th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 1, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Profile Builder < 3.16.4 – Unauthenticated Account Takeover via Auto-Login After Registration | CVE 2026-15368 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/df1eb738-15bf-4f8b-aa06-e0a42f1e9c2e/

Vendor Advisories for CVE-2026-15368(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 16× in last 7d / 81× 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 203 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-15368?
CVE-2026-15368 is a high vulnerability published on August 1, 2026. The User Profile Builder WordPress plugin before 3.16.4 does not correctly bind the automatic login performed after user registration to the newly created account, allowing unauthenticated attackers to obtain an authenticated session for an arbitrary existing user, including administrators, on…
When was CVE-2026-15368 disclosed?
CVE-2026-15368 was first published on August 1, 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-2026-15368 actively exploited?
CVE-2026-15368 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (30th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-15368?
CVE-2026-15368 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-15368?
No fix for CVE-2026-15368 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-15368 are linked in the Vendor Advisories panel on this page.

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