CVE-2026-80071

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-09-13. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: 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 WordPress plugin before 5.2.8 does not properly restrict who may author a membership plan or validate the plan a user attaches to their own account, allowing authenticated users with Author-level access and above to assign themselves an arbitrary role and escalate their privileges to Administrator.

CVSS v3
7.2
EG Score
7.2(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

September 13, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 13, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

User Registration & Membership < 5.2.8 – Author+ Privilege Escalation to Administrator | CVE 2026-80071 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/a4fbdeea-0d3b-466b-b4b6-4c4db277cd1d/

Vendor Advisories for CVE-2026-80071(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 29× in last 7d / 56× 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. 2026-09-25 08:31 UTCGHSA enrichment
  2. 2026-09-24 21:42 UTCEG score recompute
  3. 2026-09-24 21:42 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 10:00 UTCGHSA enrichment
  6. 2026-09-23 23:11 UTCEG score recompute
  7. 2026-09-23 23:11 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 12:19 UTCGHSA enrichment
  10. 2026-09-23 01:29 UTCEG score recompute
  11. 2026-09-23 01:29 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 14:40 UTCGHSA enrichment
  14. 2026-09-22 03:51 UTCEG score recompute
  15. 2026-09-22 03:51 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 17:01 UTCGHSA enrichment
  18. 2026-09-21 06:11 UTCEG score recompute
  19. 2026-09-21 06:11 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 19:21 UTCGHSA enrichment
  22. 2026-09-20 08:32 UTCGHSA enrichment
  23. 2026-09-19 21:43 UTCEG score recompute
  24. 2026-09-19 21:43 UTCGHSA enrichment
  25. 2026-09-19 10:53 UTCGHSA enrichment
Show 31 more
  1. 2026-09-19 00:04 UTCEG score recompute
  2. 2026-09-19 00:04 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 13:15 UTCGHSA enrichment
  5. 2026-09-18 02:26 UTCEG score recompute
  6. 2026-09-18 02:26 UTCGHSA enrichment
  7. 2026-09-17 15:37 UTCGHSA enrichment
  8. 2026-09-17 04:48 UTCGHSA enrichment
  9. 2026-09-16 17:58 UTCEG score recompute
  10. 2026-09-16 17:58 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 05:45 UTCEG score recompute
  13. 2026-09-16 05:45 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 18:56 UTCGHSA enrichment
  16. 2026-09-15 08:07 UTCEG score recompute
  17. 2026-09-15 08:07 UTCGHSA enrichment
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-14 21:17 UTCGHSA enrichment
  21. 2026-09-14 19:49 UTCGHSA enrichment
  22. 2026-09-14 08:59 UTCGHSA enrichment
  23. 2026-09-13 22:10 UTCEG score recompute
  24. 2026-09-13 22:10 UTCGHSA enrichment
  25. 2026-09-13 11:21 UTCGHSA enrichment
  26. 2026-09-13 10:50 UTCEG score recompute▲ 7.20
  27. 2026-09-13 10:50 UTCGHSA enrichment
  28. 2026-09-13 10:49 UTCMITRE cvelistV5CVSS v3 → 7.2 · severity → HIGH
  29. 2026-09-13 06:26 UTCNVD update
  30. 2026-09-13 06:06 UTCEG score recompute
  31. 2026-09-13 06:06 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-80071?
CVE-2026-80071 is a high vulnerability published on September 13, 2026. The User Registration & Membership WordPress plugin before 5.2.8 does not properly restrict who may author a membership plan or validate the plan a user attaches to their own account, allowing authenticated users with Author-level access and above to assign themselves an arbitrary role and escalate…
When was CVE-2026-80071 disclosed?
CVE-2026-80071 was first published in the National Vulnerability Database on September 13, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-80071 actively exploited?
CVE-2026-80071 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 62.7% of all scored CVEs.
What is the CVSS score of CVE-2026-80071?
CVE-2026-80071 has a CVSS v3.1 base score of 7.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-80071?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-80071, 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.

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