CVE-2026-1869

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-26. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to unauthorized modification of data due to missing validation checks in the confirm_payment() function in all versions up to, and including, 5.2.0. This makes it possible for unauthenticated attackers to bypass payment processing and activate paid memberships.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 26, 2026

References (2)

Vendor Advisories for CVE-2026-1869(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 6× in last 7d / 52× 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 173 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-1869?
CVE-2026-1869 is a medium vulnerability published on June 26, 2026. The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to unauthorized modification of data due to missing validation checks in the confirm_payment() function in all…
When was CVE-2026-1869 disclosed?
CVE-2026-1869 was first published in the National Vulnerability Database on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1869 actively exploited?
CVE-2026-1869 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 77.5% of all scored CVEs.
What is the CVSS score of CVE-2026-1869?
CVE-2026-1869 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-1869?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1869, 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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