CVE-2026-10820

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH 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
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.1Exploit: NoneExposed: 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(high)
EPSS
12.7%
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 34× in last 7d / 44× 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. 2026-07-07 04:51 UTCEG score recompute
  2. 2026-07-07 04:51 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 15:40 UTCEG score recompute
  5. 2026-07-06 15:39 UTCGHSA enrichment
  6. 2026-07-06 02:29 UTCEG score recompute
  7. 2026-07-06 02:29 UTCGHSA enrichment
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 13:17 UTCEG score recompute
  10. 2026-07-05 13:17 UTCGHSA enrichment
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-05 02:30 UTCEPSS rescore
  13. 2026-07-05 00:05 UTCEG score recompute
  14. 2026-07-05 00:05 UTCGHSA enrichment
  15. 2026-07-04 10:52 UTCEG score recompute
  16. 2026-07-04 10:52 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-03 21:40 UTCEG score recompute
  19. 2026-07-03 21:40 UTCGHSA enrichment
  20. 2026-07-03 08:29 UTCEG score recompute
  21. 2026-07-03 08:29 UTCGHSA enrichment
  22. 2026-07-02 19:18 UTCEG score recompute
  23. 2026-07-02 19:18 UTCGHSA enrichment
  24. 2026-07-02 06:08 UTCEG score recompute
  25. 2026-07-02 06:08 UTCGHSA enrichment
Show 19 more
  1. 2026-07-01 16:57 UTCEG score recompute
  2. 2026-07-01 16:57 UTCGHSA enrichment
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-07-01 15:06 UTCEPSS rescore
  5. 2026-07-01 03:46 UTCEG score recompute
  6. 2026-07-01 03:46 UTCGHSA enrichment
  7. 2026-06-30 23:22 UTCEPSS rescore
  8. 2026-06-30 14:35 UTCEG score recompute
  9. 2026-06-30 14:35 UTCGHSA enrichment
  10. 2026-06-30 01:19 UTCEG score recompute▲ 8.10
  11. 2026-06-30 01:19 UTCGHSA enrichment
  12. 2026-06-29 14:06 UTCEPSS rescore
  13. 2026-06-29 13:32 UTCMITRE cvelistV5CVSS v3 → 8.1 · severity → HIGH
  14. 2026-06-28 14:07 UTCEPSS rescore
  15. 2026-06-28 04:56 UTCEPSS rescore
  16. 2026-06-28 04:56 UTCEPSS rescore
  17. 2026-06-27 07:35 UTCNVD update
  18. 2026-06-27 06:05 UTCEG score recompute
  19. 2026-06-27 06:04 UTCMITRE cvelistV5first tracked

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 12.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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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