CVE-2026-12251

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-31. 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 a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

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

The Ultimate Member WordPress plugin before 2.12.1 does not filter administrator-level capabilities from the roles it makes selectable on its registration forms, and its post-registration safeguard against elevated accounts is disabled by default, allowing unauthenticated users to register with a site-defined role that carries administrator capabilities and gain administrative access, when such a role exists and a role-selection field is present on a published registration form.

CVSS v3
8.1
EG Score
8.1(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

July 31, 2026

Last Modified

July 31, 2026

Advisory Details (1)

Auto-updated Jul 31, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Ultimate Member < 2.12.1 – Unauthenticated Privilege Escalation via Role Selection Field | CVE 2026-12251 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/dd394110-cf3c-4158-8b50-7abb8a23a2be/

Vendor Advisories for CVE-2026-12251(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 27× in last 7d / 87× 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.

  1. 2026-08-21 01:56 UTCEG score recompute
  2. 2026-08-21 01:56 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 14:22 UTCGHSA enrichment
  5. 2026-08-20 02:44 UTCEG score recompute
  6. 2026-08-20 02:44 UTCGHSA enrichment
  7. 2026-08-19 17:03 UTCEPSS rescore
  8. 2026-08-19 14:59 UTCGHSA enrichment
  9. 2026-08-19 03:25 UTCGHSA enrichment
  10. 2026-08-18 15:51 UTCEG score recompute
  11. 2026-08-18 15:51 UTCGHSA enrichment
  12. 2026-08-18 13:48 UTCEPSS rescore
  13. 2026-08-18 02:44 UTCGHSA enrichment
  14. 2026-08-17 15:11 UTCEG score recompute
  15. 2026-08-17 15:11 UTCGHSA enrichment
  16. 2026-08-17 03:38 UTCGHSA enrichment
  17. 2026-08-16 16:04 UTCEG score recompute
  18. 2026-08-16 16:04 UTCGHSA enrichment
  19. 2026-08-16 14:56 UTCEPSS rescore
  20. 2026-08-16 04:30 UTCEG score recompute
  21. 2026-08-16 04:30 UTCGHSA enrichment
  22. 2026-08-16 02:14 UTCEPSS rescore
  23. 2026-08-15 16:57 UTCGHSA enrichment
  24. 2026-08-15 05:23 UTCEG score recompute
  25. 2026-08-15 05:23 UTCGHSA enrichment
Show 62 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-14 17:49 UTCGHSA enrichment
  3. 2026-08-14 06:16 UTCEG score recompute
  4. 2026-08-14 06:16 UTCGHSA enrichment
  5. 2026-08-13 22:00 UTCEPSS rescore
  6. 2026-08-13 18:42 UTCGHSA enrichment
  7. 2026-08-13 07:09 UTCGHSA enrichment
  8. 2026-08-12 19:35 UTCEG score recompute
  9. 2026-08-12 19:35 UTCGHSA enrichment
  10. 2026-08-12 13:50 UTCEPSS rescore
  11. 2026-08-12 08:02 UTCGHSA enrichment
  12. 2026-08-11 20:28 UTCEG score recompute
  13. 2026-08-11 20:28 UTCGHSA enrichment
  14. 2026-08-11 13:42 UTCEPSS rescore
  15. 2026-08-11 08:54 UTCEG score recompute
  16. 2026-08-11 08:54 UTCGHSA enrichment
  17. 2026-08-10 23:59 UTCEPSS rescore
  18. 2026-08-10 21:21 UTCGHSA enrichment
  19. 2026-08-10 09:47 UTCGHSA enrichment
  20. 2026-08-09 22:14 UTCEG score recompute
  21. 2026-08-09 22:14 UTCGHSA enrichment
  22. 2026-08-09 13:46 UTCEPSS rescore
  23. 2026-08-09 10:40 UTCGHSA enrichment
  24. 2026-08-08 23:07 UTCGHSA enrichment
  25. 2026-08-08 11:33 UTCGHSA enrichment
  26. 2026-08-08 00:00 UTCEG score recompute
  27. 2026-08-08 00:00 UTCGHSA enrichment
  28. 2026-08-07 12:26 UTCGHSA enrichment
  29. 2026-08-07 00:52 UTCEG score recompute
  30. 2026-08-07 00:52 UTCGHSA enrichment
  31. 2026-08-06 13:46 UTCEPSS rescore
  32. 2026-08-06 13:19 UTCGHSA enrichment
  33. 2026-08-06 01:45 UTCEG score recompute
  34. 2026-08-06 01:45 UTCGHSA enrichment
  35. 2026-08-05 19:17 UTCEPSS rescore
  36. 2026-08-05 14:12 UTCGHSA enrichment
  37. 2026-08-05 02:24 UTCEG score recompute
  38. 2026-08-05 02:24 UTCGHSA enrichment
  39. 2026-08-04 15:09 UTCEPSS rescore
  40. 2026-08-04 14:50 UTCEG score recompute
  41. 2026-08-04 14:50 UTCGHSA enrichment
  42. 2026-08-04 10:38 UTCEPSS rescore
  43. 2026-08-04 03:16 UTCGHSA enrichment
  44. 2026-08-03 15:42 UTCEG score recompute
  45. 2026-08-03 15:42 UTCGHSA enrichment
  46. 2026-08-03 10:35 UTCEPSS rescore
  47. 2026-08-03 04:09 UTCGHSA enrichment
  48. 2026-08-02 16:35 UTCGHSA enrichment
  49. 2026-08-02 05:01 UTCEG score recompute
  50. 2026-08-02 05:01 UTCGHSA enrichment
  51. 2026-08-02 02:26 UTCEPSS rescore
  52. 2026-08-01 17:28 UTCGHSA enrichment
  53. 2026-08-01 05:54 UTCEG score recompute
  54. 2026-08-01 05:54 UTCGHSA enrichment
  55. 2026-08-01 04:15 UTCEPSS rescore
  56. 2026-07-31 18:20 UTCGHSA enrichment
  57. 2026-07-31 17:30 UTCEG score recompute▲ 8.10
  58. 2026-07-31 17:30 UTCGHSA enrichment
  59. 2026-07-31 17:28 UTCMITRE cvelistV5CVSS v3 → 8.1 · severity → HIGH
  60. 2026-07-31 07:24 UTCNVD update
  61. 2026-07-31 06:30 UTCEG score recompute
  62. 2026-07-31 06:28 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12251?
CVE-2026-12251 is a high vulnerability published on July 31, 2026. The Ultimate Member WordPress plugin before 2.12.1 does not filter administrator-level capabilities from the roles it makes selectable on its registration forms, and its post-registration safeguard against elevated accounts is disabled by default, allowing unauthenticated users to register with a…
When was CVE-2026-12251 disclosed?
CVE-2026-12251 was first published in the National Vulnerability Database on July 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12251 actively exploited?
CVE-2026-12251 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 86.4% of all scored CVEs.
What is the CVSS score of CVE-2026-12251?
CVE-2026-12251 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-12251?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12251, 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

Explore the affected products and dependency analysis for CVE-2026-12251

Explore →

Is Your Infrastructure Affected by CVE-2026-12251?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs