CVE-2026-84905

LOWPre-NVD 2.72.7—
EchelonGraph scoreHIGH confidence

Score 2.7 from GitHub Security Advisory (severity: LOW) published 2026-09-16. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 2.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
2.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 2.7Exploit: None knownExposed: 0

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

The Eventin WordPress plugin before 4.1.24 does not verify a user's capability to create accounts when adding a speaker, allowing users with contributor-level access and above to create new WordPress user accounts that carry capabilities beyond their own, including publishing content and uploading files, and, by supplying an email address they control, to obtain a working login to the created account.

CVSS v3
2.7
EG Score
2.7(high)
EG Risk
12(Track)
EG Risk 12/100SSVC: 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
Severity27% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 17, 2026

Vendor Advisories for CVE-2026-84905(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 10× in last 7d / 21× 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. 2026-09-24 14:04 UTCEPSS rescore
  2. 2026-09-24 00:23 UTCEG score recompute
  3. 2026-09-24 00:23 UTCGHSA enrichment
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-22 16:01 UTCEPSS rescore
  6. 2026-09-21 21:09 UTCEPSS rescore
  7. 2026-09-20 20:16 UTCEPSS rescore
  8. 2026-09-20 18:53 UTCEG score recompute
  9. 2026-09-20 18:53 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-17 19:32 UTCEPSS rescore
  12. 2026-09-17 13:23 UTCGHSA enrichment
  13. 2026-09-17 12:56 UTCEG score recompute▲ 2.70
  14. 2026-09-17 12:56 UTCGHSA enrichment
  15. 2026-09-17 12:54 UTCMITRE cvelistV5CVSS v3 → 2.7 · severity → LOW
  16. 2026-09-16 21:01 UTCEG score recompute
  17. 2026-09-16 21:01 UTCGHSA enrichment
  18. 2026-09-16 14:09 UTCEPSS rescore
  19. 2026-09-16 06:21 UTCNVD update
  20. 2026-09-16 06:03 UTCEG score recompute
  21. 2026-09-16 06:02 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-84905?
CVE-2026-84905 is a low vulnerability published on September 16, 2026. The Eventin WordPress plugin before 4.1.24 does not verify a user's capability to create accounts when adding a speaker, allowing users with contributor-level access and above to create new WordPress user accounts that carry capabilities beyond their own, including publishing content and uploading…
When was CVE-2026-84905 disclosed?
CVE-2026-84905 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84905 actively exploited?
CVE-2026-84905 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 81.7% of all scored CVEs.
What is the CVSS score of CVE-2026-84905?
CVE-2026-84905 has a CVSS v3.1 base score of 2.7 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-84905?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84905, 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-2026-84905

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