CVE-2026-10820

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-27. 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 Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content WordPress plugin before 4.16.17 does not verify that the user performing a subscription action owns the targeted subscription, allowing any authenticated user (Subscriber+) to cancel other users' active subscriptions via an Insecure Direct Object Reference.

CVSS v3
8.1
EG Score
8.1(medium)
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
31%
KEV
Not listed

Published

June 27, 2026

Last Modified

June 29, 2026

Advisory Details (1)

Auto-updated Jun 29, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

ProfilePress < 4.16.17 – Subscriber+ Subscription Cancellation via IDOR | CVE 2026-10820 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/cb7ad514-e0d5-4ff3-803a-918cdc194f39/

Vendor Advisories for CVE-2026-10820(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 8× in last 7d / 59× 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 196 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 14:50 UTCEG score recompute
  7. 2026-09-06 14:50 UTCGHSA enrichment
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-04 05:06 UTCEPSS rescore
  10. 2026-09-02 14:11 UTCEPSS rescore
  11. 2026-09-01 13:53 UTCEPSS rescore
  12. 2026-09-01 04:39 UTCEPSS rescore
  13. 2026-08-30 19:17 UTCEPSS rescore
  14. 2026-08-30 19:12 UTCEG score recompute
  15. 2026-08-30 19:12 UTCGHSA enrichment
  16. 2026-08-30 01:21 UTCEPSS rescore
  17. 2026-08-28 21:40 UTCEPSS rescore
  18. 2026-08-27 22:52 UTCEG score recompute
  19. 2026-08-27 22:52 UTCGHSA enrichment
  20. 2026-08-27 14:24 UTCEPSS rescore
  21. 2026-08-25 13:48 UTCEPSS rescore
  22. 2026-08-24 21:47 UTCEG score recompute
  23. 2026-08-24 21:47 UTCGHSA enrichment
  24. 2026-08-24 04:29 UTCGHSA enrichment
  25. 2026-08-23 13:25 UTCEG score recompute
Show 75 more
  1. 2026-08-23 13:25 UTCGHSA enrichment
  2. 2026-08-23 00:19 UTCEPSS rescore
  3. 2026-08-23 00:01 UTCGHSA enrichment
  4. 2026-08-22 10:50 UTCGHSA enrichment
  5. 2026-08-21 21:38 UTCGHSA enrichment
  6. 2026-08-21 08:27 UTCEG score recompute
  7. 2026-08-21 08:27 UTCGHSA enrichment
  8. 2026-08-20 22:55 UTCEPSS rescore
  9. 2026-08-20 19:16 UTCGHSA enrichment
  10. 2026-08-20 06:05 UTCEG score recompute
  11. 2026-08-20 06:05 UTCGHSA enrichment
  12. 2026-08-19 17:03 UTCEPSS rescore
  13. 2026-08-19 12:39 UTCGHSA enrichment
  14. 2026-08-18 23:29 UTCEG score recompute
  15. 2026-08-18 23:29 UTCGHSA enrichment
  16. 2026-08-18 13:48 UTCEPSS rescore
  17. 2026-08-17 07:29 UTCGHSA enrichment
  18. 2026-08-16 18:19 UTCEG score recompute
  19. 2026-08-16 18:19 UTCGHSA enrichment
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 05:08 UTCEG score recompute
  22. 2026-08-16 05:08 UTCGHSA enrichment
  23. 2026-08-16 02:14 UTCEPSS rescore
  24. 2026-08-15 15:57 UTCGHSA enrichment
  25. 2026-08-15 02:46 UTCEG score recompute
  26. 2026-08-15 02:46 UTCGHSA enrichment
  27. 2026-08-15 01:30 UTCEPSS rescore
  28. 2026-08-14 13:33 UTCGHSA enrichment
  29. 2026-08-14 00:22 UTCEG score recompute
  30. 2026-08-14 00:22 UTCGHSA enrichment
  31. 2026-08-13 22:00 UTCEPSS rescore
  32. 2026-08-13 11:11 UTCGHSA enrichment
  33. 2026-08-12 22:01 UTCEG score recompute
  34. 2026-08-12 22:01 UTCGHSA enrichment
  35. 2026-08-12 13:50 UTCEPSS rescore
  36. 2026-08-12 08:50 UTCGHSA enrichment
  37. 2026-08-11 19:39 UTCEG score recompute
  38. 2026-08-11 19:39 UTCGHSA enrichment
  39. 2026-08-11 13:42 UTCEPSS rescore
  40. 2026-08-11 06:22 UTCEG score recompute
  41. 2026-08-11 06:22 UTCGHSA enrichment
  42. 2026-08-10 23:59 UTCEPSS rescore
  43. 2026-08-10 17:11 UTCGHSA enrichment
  44. 2026-08-10 02:42 UTCEG score recompute
  45. 2026-08-10 02:42 UTCGHSA enrichment
  46. 2026-08-09 13:46 UTCEPSS rescore
  47. 2026-08-09 13:30 UTCGHSA enrichment
  48. 2026-08-09 00:20 UTCEG score recompute
  49. 2026-08-09 00:20 UTCGHSA enrichment
  50. 2026-08-08 16:37 UTCEPSS rescore
  51. 2026-08-08 11:09 UTCGHSA enrichment
  52. 2026-08-07 21:58 UTCEG score recompute
  53. 2026-08-07 21:58 UTCGHSA enrichment
  54. 2026-08-07 08:47 UTCGHSA enrichment
  55. 2026-08-06 19:36 UTCEG score recompute
  56. 2026-08-06 19:36 UTCGHSA enrichment
  57. 2026-08-06 13:46 UTCEPSS rescore
  58. 2026-08-06 06:25 UTCEG score recompute
  59. 2026-08-06 06:25 UTCGHSA enrichment
  60. 2026-08-05 19:17 UTCEPSS rescore
  61. 2026-08-05 17:14 UTCGHSA enrichment
  62. 2026-08-05 04:04 UTCEG score recompute
  63. 2026-08-05 04:03 UTCGHSA enrichment
  64. 2026-08-04 15:09 UTCEPSS rescore
  65. 2026-08-04 14:51 UTCEG score recompute
  66. 2026-08-04 14:51 UTCGHSA enrichment
  67. 2026-08-04 10:38 UTCEPSS rescore
  68. 2026-08-03 23:06 UTCEG score recompute
  69. 2026-08-03 23:06 UTCGHSA enrichment
  70. 2026-08-03 10:35 UTCEPSS rescore
  71. 2026-08-03 09:55 UTCGHSA enrichment
  72. 2026-08-02 20:45 UTCGHSA enrichment
  73. 2026-08-02 07:34 UTCEG score recompute
  74. 2026-08-02 07:34 UTCGHSA enrichment
  75. 2026-08-02 02:26 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-10820?
CVE-2026-10820 is a high vulnerability published on June 27, 2026. The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content WordPress plugin before 4.16.17 does not verify that the user performing a subscription action owns the targeted subscription, allowing any authenticated user (Subscriber+) to cancel other…
When was CVE-2026-10820 disclosed?
CVE-2026-10820 was first published in the National Vulnerability Database on June 27, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10820 actively exploited?
CVE-2026-10820 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 68.9% of all scored CVEs.
What is the CVSS score of CVE-2026-10820?
CVE-2026-10820 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-10820?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10820, 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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