CVE-2026-90976

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-09-18. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

The Clean Login WordPress plugin before 1.19 does not check whether user registration is enabled before creating an account in its registration handler, allowing unauthenticated users to create accounts even when the site has registration disabled.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

September 18, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 18, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Clean Login < 1.19 – Unauthenticated Account Creation with Registration Disabled | CVE 2026-90976 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/e72f9529-6500-4ed2-a8cc-d77045b6be5c/

Vendor Advisories for CVE-2026-90976(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 22× in last 7d / 27× 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 04:48 UTCEG score recompute
  2. 2026-09-25 04:47 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 06:51 UTCEG score recompute
  5. 2026-09-24 06:51 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 08:55 UTCEG score recompute
  8. 2026-09-23 08:55 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-22 10:58 UTCEG score recompute
  11. 2026-09-22 10:58 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 13:02 UTCEG score recompute
  14. 2026-09-21 13:02 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 15:05 UTCGHSA enrichment
  17. 2026-09-19 17:09 UTCEG score recompute
  18. 2026-09-19 17:09 UTCGHSA enrichment
  19. 2026-09-18 19:28 UTCEPSS rescore
  20. 2026-09-18 19:13 UTCGHSA enrichment
  21. 2026-09-18 12:21 UTCEG score recompute
  22. 2026-09-18 12:21 UTCGHSA enrichment
  23. 2026-09-18 11:19 UTCEG score recompute
  24. 2026-09-18 11:19 UTCGHSA enrichment
  25. 2026-09-18 07:24 UTCEG score recompute
Show 2 more
  1. 2026-09-18 06:39 UTCEG score recompute
  2. 2026-09-18 06:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90976?
CVE-2026-90976 is a medium vulnerability published on September 18, 2026. The Clean Login WordPress plugin before 1.19 does not check whether user registration is enabled before creating an account in its registration handler, allowing unauthenticated users to create accounts even when the site has registration disabled.
When was CVE-2026-90976 disclosed?
CVE-2026-90976 was first published in the National Vulnerability Database on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90976 actively exploited?
CVE-2026-90976 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 79.5% of all scored CVEs.
What is the CVSS score of CVE-2026-90976?
CVE-2026-90976 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-90976?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90976, 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-2026-90976

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