CVE-2026-84743

LOWPre-NVD 3.83.8—
EchelonGraph scoreHIGH confidence

Score 3.8 from GitHub Security Advisory (severity: LOW) published 2026-09-23. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 3.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
3.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.8Exploit: None knownExposed: 0

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

The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.

CVSS v3
3.8
EG Score
3.8(high)
EG Risk
17(Track)
EG Risk 17/100SSVC: 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
Severity38% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

September 23, 2026

Last Modified

September 23, 2026

References (1)

Vendor Advisories for CVE-2026-84743(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 11× in last 7d / 11× 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. 2026-09-23 18:19 UTCEG score recompute
  3. 2026-09-23 18:19 UTCGHSA enrichment
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-23 11:23 UTCGHSA enrichment
  6. 2026-09-23 11:06 UTCEG score recompute▲ 3.80
  7. 2026-09-23 11:06 UTCGHSA enrichment
  8. 2026-09-23 11:06 UTCMITRE cvelistV5CVSS v3 → 3.8 · severity → LOW
  9. 2026-09-23 06:17 UTCNVD update
  10. 2026-09-23 06:06 UTCEG score recompute
  11. 2026-09-23 06:06 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84743?
CVE-2026-84743 is a low vulnerability published on September 23, 2026. The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including…
When was CVE-2026-84743 disclosed?
CVE-2026-84743 was first published in the National Vulnerability Database on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84743 actively exploited?
CVE-2026-84743 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 87.5% of all scored CVEs.
What is the CVSS score of CVE-2026-84743?
CVE-2026-84743 has a CVSS v3.1 base score of 3.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-84743?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84743, 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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